A06 Réti Opening: 1.Nf3 d5 (1.b3 Nf6 2.Bb2 e6 3.Nf3 d5)

[Event "ICC 10 0"] [Site "Internet Chess Club"] [Date "2014.11.01"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1577"] [BlackElo "1577"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "118"] [EventDate "2014.??.??"] 1. b3 Nf6 {A01 Nimzo-Larsen Attack: Indian Variation} 2. Bb2 e6 3. Nf3 d5 { A06 Réti Opening: 1.Nf3 d5} 4. d3 Be7 (4... c5 5. Nbd2 Nc6 6. e4 Be7 7. g3 O-O 8. Bg2 b6 9. O-O Bb7 10. Re1 Qc7 11. e5 Nd7 12. Qe2 Rae8 13. Nf1 f6 14. exf6 Bxf6 15. Bxf6 Nxf6 16. Ne5 Nd4 17. Qd1 Nc6 18. Qe2 Nd4 19. Qd1 {Tereladze,S (2166)-Gavasheli,A (2190) Konya 2016 1/2-1/2}) 5. Nbd2 O-O (5... c5 6. e3 Nc6 7. Be2 Bd7 8. O-O O-O 9. Ne5 Nxe5 10. Bxe5 Bc6 11. Nf3 Nd7 12. Bb2 Bf6 13. d4 Re8 14. Re1 a5 15. Ne5 Qb6 16. Nxd7 Bxd7 17. dxc5 Qxc5 18. Bxf6 gxf6 19. c4 Bc6 20. cxd5 {Elias Arguelles,M (1638)-Martin Arranz,L (1714) Barcelona 2017 1/2-1/ 2 (74)}) 6. e4 {-0.61/24} (6. e3 $11 {0.27/26}) 6... c5 $15 7. e5 $146 { -0.78/25} (7. Ne5 $11 {-0.20/28}) (7. c4 b6 8. g3 Bb7 9. Qe2 Na6 10. a3 Nc7 11. Bg2 Nd7 12. O-O Re8 13. Ne5 f6 14. Nxd7 Qxd7 15. Rad1 f5 16. cxd5 exd5 17. e5 Ne6 18. f4 b5 19. h4 a5 20. Bh3 g6 21. Nf3 a4 {Ivanov,V (1968)-Gudkov,G (1940) Petrozavodsk 2013 0-1}) 7... Nfd7 8. c3 {-1.46/27} (8. g3 $15 {-0.64/29}) 8... Nc6 $17 9. d4 cxd4 {-0.41/25} (9... f6 $1 $17 {-1.51/23} 10. Bb5 fxe5 11. Bxc6 bxc6 12. dxe5 Qc7) 10. cxd4 $15 Qb6 {0.00/27} (10... f6 $15 {-0.41/25}) 11. Bd3 f6 {0.63/25} (11... Re8 $11 {0.00/29}) 12. O-O fxe5 13. dxe5 {-0.17/28} (13. Nxe5 {0.27/26 is superior.} Ndxe5 14. dxe5) 13... Nc5 $11 14. Bb1 {-0.02/30} ( 14. Bc2 $14 {0.41/25 should be considered.}) 14... Bd7 {0.43/23} (14... a5 $11 {-0.02/30}) 15. Qc2 {-0.17/27} (15. a3 $14 {0.43/23}) 15... g6 16. h4 {-0.72/25 } (16. a3 $11 {0.00/29 keeps the balance.}) 16... Nb4 {0.00/28} ({Black should try} 16... Rf4 $17 {-0.72/25}) 17. Qc3 Rac8 {0.66/26} (17... Nca6 $11 {0.00/28} ) 18. Qe3 $1 $14 {[#]} Bb5 {0.78/23} (18... Ncd3 $1 $11 {0.00/27} 19. Bd4 (19. Bxd3 Qxe3) 19... Qa6) 19. Rd1 {-0.41/24} (19. a3 $16 {0.78/23}) 19... Bd3 $1 $36 {White is under pressure.} 20. Qh6 {-1.25/25} (20. Nd4 $15 {-0.32/29}) 20... Bxb1 {-0.84/28} ({Better is} 20... Rf7 $1 {-1.25/25} 21. h5 Bxb1 22. Raxb1 Bf8) 21. Raxb1 $17 Nxa2 $2 {0.23/26} (21... Ncd3 $17 {-1.39/25} 22. Bd4 Qa6) 22. Ng5 $2 {-5.54/26} (22. h5 $11 {0.23/26 and White has nothing to worry. } gxh5 23. Bd4) 22... Bxg5 $1 $19 23. Qxg5 Nd3 24. Rf1 Nxf2 25. Kh2 Nd3 $2 { -0.74/26} (25... Rc2 $19 {-8.38/23} 26. Ba3 Rf5) 26. Nf3 $2 {-3.29/28} (26. h5 $17 {-0.74/26 was necessary.}) 26... Nxb2 27. Rxb2 Nc3 28. Qh6 Ne4 29. h5 gxh5 30. Qxh5 $2 {-4.43/27} (30. Rbb1 {-2.64/29}) 30... Rf5 31. Qh6 Qc7 $2 {0.82/28} (31... Rf7 $19 {-3.49/26 White must now prevent ...Rg7.} 32. Rc1 Rxc1 33. Qxc1 Kg7) 32. Qxe6+ $16 Rf7 33. Qxd5 Qe7 $2 {7.38/22} ({Wrong is} 33... Qc6 $2 34. Qxf7+ $1 Kxf7 35. Nd4+ Ke7 36. Nxc6+ Rxc6 37. Rf4 $18) (33... Nf6 $14 {0.51/27} 34. Qd4 Rd8) 34. Qxe4 $18 Qe6 35. Rff2 Qh6+ 36. Qh4 Qe6 37. Qh5 Rg7 38. Ng5 $2 {-0.48/28} (38. Nd4 $18 {8.38/26} Qg6 39. Qh3) 38... Qxe5+ $15 39. g3 Qxg5 40. Qxg5 Rxg5 {Endgame KRR-KRR} 41. Rf3 Rc7 42. Rd2 Rgc5 43. Rf4 Rc2 44. Rxc2 Rxc2+ $17 {KR-KR} 45. Kh3 Rb2 46. b4 Kg7 47. Kg4 b6 48. Kg5 a5 49. bxa5 {[#]} bxa5 { -0.09/39} (49... Rb5+ $1 $17 {-0.72/34} 50. Kh4 bxa5) 50. Rc4 $2 {-#20/30} (50. Rf5 $11 {-0.09/39}) 50... Rb5+ {Black mates.} 51. Kf4 Rb4 52. Rxb4 axb4 {KPP-KP } 53. Ke4 Kg6 54. Kd4 Kg5 55. Kc4 Kg4 56. Kxb4 Kxg3 57. Kc3 h5 58. Kd2 Kg2 59. Ke2 h4 {Accuracy: White = 24%, Black = 39%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 d5 2.b3 c5 3.Bb2 Nc6 4.e3 Nf6)

[Event "Live Chess"] [Site "Chess.com"] [Date "2014.05.12"] [Round "?"] [White "Ballas3"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1551"] [BlackElo "1739"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "46"] [EventDate "2014.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} c5 3. Bb2 Nc6 4. e3 Nf6 {A06 Réti Opening: 1.Nf3 d5} 5. g3 Bg4 {0.25/26} (5... Qc7 $15 { -0.70/22}) (5... g6 6. Bg2 Bg7 7. O-O O-O 8. d3 Qc7 9. Nbd2 Rd8 10. Qe2 e5 11. e4 d4 12. a4 a6 13. Nc4 Be6 14. Nfd2 b5 15. axb5 axb5 16. Na3 Rab8 17. Rfc1 h5 18. Nf1 Qd7 19. Rd1 h4 20. Bc1 {Popchev,M (2268)-Savic,M (2507) Novi Sad 2018 0-1 (33)}) 6. Bg2 {-0.24/21} (6. h3 {0.25/26 should be considered.} Bd7 7. Bg2) 6... e6 $146 (6... Rc8 7. h3 Bh5 8. O-O e6 9. d3 Be7 10. Nbd2 O-O 11. Qe2 Qc7 12. e4 Rfe8 13. g4 Bg6 14. Nh4 Qf4 15. Nxg6 hxg6 16. Rfe1 Nd4 17. Qd1 Red8 18. Bxd4 cxd4 19. exd5 Bb4 20. Re2 Nxd5 21. Bxd5 {Greenfield,W-Purdy,C Sydney 1934 0-1 (42)}) 7. h3 Bh5 {0.27/23} (7... Bxf3 $142 {-0.15/26} 8. Bxf3 Be7) 8. O-O { -0.31/24} (8. Nc3 $11 {0.27/23}) 8... Bd6 {0.35/27} (8... Be7 $15 {-0.31/24}) 9. Qc1 {-0.72/23} (9. Nc3 $14 {0.35/27 keeps the upper hand.}) 9... O-O { -0.02/25} (9... h6 $17 {-0.72/23}) 10. d4 {-1.23/23} (10. d3 $11 {-0.02/25}) 10... cxd4 {-0.67/27} (10... Bxf3 $17 {-1.23/23} 11. Bxf3 cxd4) 11. Nxd4 $15 Rc8 12. Nxc6 Rxc6 13. Qd2 {-1.73/25} (13. Nd2 $15 {-0.60/28}) 13... Bg6 { -0.50/26 [#]} (13... Ne4 $1 $19 {-1.73/25} 14. Bxe4 dxe4) 14. Rc1 {-1.18/23} ( 14. c4 $1 $15 {-0.50/26}) 14... Qc8 {-0.09/26 [#]} (14... b5 $1 $17 {-1.18/23} 15. Na3 Rb6) 15. c3 {-0.99/23} (15. c4 $1 $11 {-0.09/26}) 15... Be4 {-0.48/28} ({Black should play} 15... Ne4 $17 {-0.99/23} 16. Qe2 Rd8) 16. Na3 {-1.29/26} ( 16. Qe1 $15 {-0.48/28}) 16... Bxg2 $17 17. Kxg2 Ne4 $36 {Keeping White busy.} 18. Qd3 $2 {-3.70/23 [#]} (18. Qe2 $17 {-0.99/27}) 18... Nxc3 $2 {0.00/29} ( 18... Bxg3 $1 $19 {-3.70/23} 19. f3 (19. fxg3 Qc7) 19... Nf2) 19. Bxc3 $2 { -3.58/26} (19. Rxc3 $11 {0.00/29 and White has nothing to worry.} Rxc3 20. Bxc3 Bxa3 21. b4) 19... Bxa3 $19 20. Rc2 {-4.93/27} (20. Qd4 {-3.47/29 was worth a try.} e5 21. Qxe5) 20... Rd8 21. Qd4 {-4.98/29} (21. b4 {-3.31/30 might work better.} Bxb4 22. Rac1) 21... f6 22. b4 {-5.70/25} (22. Rd1 $142 {-4.04/29} Rd7 23. Qxa7) 22... e5 23. Qxd5+ Rxd5 {Accuracy: White = 21%, Black = 23%.} 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.07.06"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "146"] [EventDate "2015.??.??"] 1. b3 d5 {A01 Nimzo-Larsen Attack: Classical Variation} 2. Bb2 c5 3. Nf3 Nc6 4. e3 Nf6 {A06 Réti Opening: 1.Nf3 d5} 5. d3 Bg4 {0.38/26} (5... d4 $17 {-0.74/24 }) (5... g6 6. Be2 Bg7 7. Nbd2 O-O 8. O-O Qc7 9. d4 cxd4 10. exd4 Ne4 11. Nxe4 dxe4 12. Ne1 Rd8 13. c3 b6 14. Nc2 Bb7 15. f3 Ne5 16. f4 Nd7 17. f5 Ne5 18. fxg6 hxg6 19. Ne3 Qc6 20. Qe1 {Byelopolskiy,V (2421)-Esipovich,S (1782) St Petersburg 2018 1/2-1/2 (48)}) 6. Be2 $14 (6. Nbd2 e5 7. h3 Bxf3 8. Nxf3 Bd6 9. Nd2 O-O 10. g3 Qe7 11. Bg2 h6 12. O-O Rfe8 13. c4 d4 14. e4 a5 15. f4 a4 16. a3 Qc7 17. f5 Reb8 18. g4 b5 19. h4 bxc4 20. dxc4 Nh7 {Kayumov,S (2505)-Suhail,A (2239) Dubai 2014 1-0 (39)}) 6... e6 {0.34/25} (6... Qc7 $11 {-0.16/26}) 7. Nbd2 {-0.28/23} (7. h3 $14 {0.34/25} Bxf3 8. Bxf3) 7... Be7 {0.33/26} (7... Bd6 $11 {-0.28/23}) 8. h3 $146 {-0.24/26} (8. O-O $14 {0.33/26} O-O (8... Qc7 9. c4 O-O 10. h3 Bh5 11. cxd5 Nxd5 12. Rc1 b6 13. d4 Qb7 14. dxc5 Bxc5 15. Ne4 Be7 16. Bb5 Rac8 17. Qe2 Nb8 18. Bd3 Nb4 19. Bb1 Bg6 20. Nfd2 N8c6 21. a3 Nd5 22. Bd3 Nb8 23. Nc4 {Hoeschele,H (2187)-Beliaeva,N (2078) Davos 2006 1/2-1/2 (58)}) 9. Ne5 (9. c4 Rc8 10. a3 Nd7 11. cxd5 exd5 12. d4 Bf6 13. Qb1 Bh5 14. Bd3 Bg6 15. Bxg6 hxg6 16. Qd3 a6 17. Rfd1 Qe7 18. Rac1 b5 19. Rc3 c4 20. Qb1 Nb6 21. Rcc1 Na5 22. Bc3 Qxa3 23. bxc4 dxc4 {Stecko,A-Kmiecik,E (1845) Lubawka 2007 1-0 (46)}) 9... Nxe5 10. Bxe5 Bxe2 11. Qxe2 Nd7 12. Bb2 Bf6 13. Bxf6 Qxf6 14. c4 Rad8 15. Rab1 Ne5 16. f4 Nc6 17. Nf3 Rd7 18. Rfd1 Rfd8 19. g3 b6 20. Rbc1 h6 21. cxd5 exd5 22. d4 cxd4 23. Nxd4 {Kozlova,O (2254)-Kopylov,L (2202) Germany 2009 0-1 (38)}) 8... Bh5 {0.37/26} (8... Bf5 $11 {-0.24/26}) 9. g4 {-0.49/25} ( {White should play} 9. Ne5 $14 {0.37/26} Bxe2 10. Qxe2 (10. Kxe2 Nxe5 11. Bxe5 O-O $11)) 9... Bg6 $15 10. Rg1 {-0.88/21} (10. g5 $11 {0.00/24 keeps the balance.} Nd7 11. Bxg7) 10... h6 11. h4 d4 {-0.09/26} ({Better is} 11... Qc7 $17 {-0.97/22}) 12. e4 $2 {-1.69/21} (12. Nc4 $1 $11 {-0.09/26}) 12... Qc7 { -0.39/25} (12... h5 $19 {-1.69/21} 13. g5 Ng4) 13. Nc4 $2 {-2.01/21 [#]} (13. h5 $15 {-0.39/25} Bh7 14. a4) 13... b5 {-0.82/25} (13... h5 $1 $19 {-2.01/21 and Black stays clearly on top.} 14. g5 Ng4) 14. Ncd2 $17 {[#]} Qf4 $2 {0.00/26 } (14... h5 $1 $19 {-1.61/21} 15. g5 Nd7) 15. h5 Bh7 16. Nh4 $2 {-2.46/22} (16. a4 $11 {0.00/25}) 16... Nxe4 $19 17. Nxe4 Bxh4 18. Rg2 Bxe4 19. dxe4 Qxe4 { -1.37/26} ({Black should try} 19... a6 $19 {-2.65/25} 20. a4 b4) 20. Kf1 $17 a6 $4 {5.38/24} (20... Qd5 $19 {-1.82/28 and all is fine.} 21. Bxb5 a6) 21. Bf3 $18 Qf4 22. Bxc6+ Ke7 23. Bxa8 Rxa8 24. Bc1 Qf6 25. Rb1 Rd8 26. a4 Ke8 27. axb5 axb5 28. Qe2 Rb8 29. Qe4 Kd8 30. Bf4 Rc8 31. Bg3 Bg5 32. f4 Bh4 33. Bxh4 Qxh4 34. Kg1 Rc7 35. Rf1 Qf6 36. g5 hxg5 37. fxg5 Qe7 38. Qa8+ Kd7 39. Qa5 b4 40. Qb5+ Kd6 41. Qe2 e5 42. Qf3 e4 43. Qf4+ Kc6 44. Rg4 e3 45. Qe4+ Kb6 46. Qxe7 Rxe7 47. Re1 Kc6 48. Kg2 Kd5 49. h6 gxh6 50. gxh6 Re6 51. Kh3 $2 {3.84/28} (51. h7 {24.89/27} Rh6 52. Rh1 Rxh7 53. Rxh7) 51... Rxh6+ 52. Kg3 f5 53. Rg5 $2 { 0.00/33} (53. Rg8 $18 {3.94/28}) 53... Ke4 $11 54. Rg7 {And now Re7+ would win. } f4+ 55. Kg4 $2 {-4.21/26} (55. Kg2 $1 $11 {0.00/33}) 55... Re6 $19 56. Rf7 $2 {-6.21/27} (56. Rg8 {-2.84/31}) 56... Rg6+ 57. Kh5 Rg3 {-3.25/29} (57... Rg2 $142 {-6.74/25} 58. Rh1 Rxc2 59. Re7+ Kd3) 58. Rf1 $2 {-7.25/27} (58. Re7+ { -3.25/29} Kd5 59. Ra1) 58... f3 59. Re7+ Kd5 60. Kh4 Rg2 $2 {0.00/28} (60... e2 $19 {-3.62/28} 61. Re1 Rg6) 61. Kh3 Rxc2 62. Rxf3 Kd6 63. Re8 {aiming for Rf6+. } Rb2 64. Rf6+ Kd5 $1 ({But not} 64... Kd7 $2 65. Ra8 $18) 65. Rg8 $2 {-8.58/23 } (65. Rf5+ $11 {0.00/30} Kd6 66. Rf6+ Kd5 67. Rf5+ Kd6 68. Ra8) 65... Rxb3 { ...e2+ is the strong threat.} 66. Rg5+ Kc4 {Threatens to win with ...e2+.} 67. Rff5 Kd3 {-10.57/26} (67... e2+ $142 {-49.10/23} 68. Kg4 e1=Q 69. Rxc5+ Kd3) 68. Rxc5 e2 69. Rg3+ Kd2 $2 {-2.05/36} (69... Ke4 {-8.99/30} 70. Rxb3 e1=Q) 70. Rxb3 {Black is clearly better.} e1=Q 71. Rxb4 Qe3+ 72. Kh2 {-2.05/33} (72. Kg2 $17 {-1.33/35}) 72... d3 73. Rb2+ Ke1 {Accuracy: White = 45%, Black = 26%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.b3 d5 2.Bb2 c5 3.e3 Nc6 4.Nf3 Bg4 5.Be2 e6)

[Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2013.12.31"] [Round "?"] [White "giarenn"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1093"] [BlackElo "1578"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "56"] [EventDate "2013.??.??"] [EventType "blitz"] 1. b3 d5 {A01 Nimzo-Larsen Attack: Classical Variation} 2. Bb2 c5 3. e3 Nc6 4. Nf3 Bg4 5. Be2 e6 {A06 Réti Opening: 1.Nf3 d5} 6. O-O Nf6 7. Ne5 {-0.26/25} ({ Better is} 7. h3 $14 {0.57/24} Bxf3 8. Bxf3) (7. d3 Bd6 8. Nbd2 O-O 9. Re1 Re8 10. h3 Bh5 11. e4 Nd7 12. d4 Bxf3 13. Bxf3 Nxd4 14. Bxd4 cxd4 15. exd5 e5 16. Be4 Nc5 17. Qh5 g6 18. Qe2 f5 19. Bd3 e4 20. Bc4 a6 21. a4 Qf6 {Zanon,M (1861) -Hessenberger,A (2061) Vienna 2012 0-1 (37)}) 7... Bxe2 {0.18/28} (7... Nxe5 { -0.26/25 feels stronger.} 8. Bxe5 Bd6) 8. Qxe2 $11 {The position is equal.} Qb6 $146 {0.42/25} (8... Nxe5 $11 {-0.18/26} 9. Bxe5 Rc8 (9... Be7 10. d3 O-O 11. Nd2 Nd7 12. Bg3 f5 13. f4 Bf6 14. Rad1 b5 15. c4 Qa5 16. Nf3 Nb6 17. Be1 Qa6 18. cxb5 Qxb5 19. Rc1 Kh8 20. Bh4 Bxh4 21. Nxh4 a5 22. Qc2 Nd7 23. Nf3 a4 24. Ne5 {Palliser,R (2322)-Panchanathan,M (2238) Witley 2000 0-1 (57)})) (8... Bd6 9. f4 (9. Nxc6 bxc6 10. f4 O-O 11. d3 Qe7 12. e4 Bc7 13. e5 Nd7 14. Nd2 a5 15. a4 Rab8 16. Rad1 Nb6 17. Ba3 Nd7 18. Nf3 Bb6 19. Kh1 Rfe8 20. Ng5 h6 21. Nf3 Rec8 22. g4 f6 23. g5 f5 {Mendes,R-Prata,J (2064) Caldas de Felgueira 1999 1-0} ) 9... O-O 10. d3 Bxe5 11. fxe5 Nd7 12. d4 Qb6 13. Qf2 Rac8 14. Nd2 Nb4 15. a3 Nxc2 16. Rac1 cxd4 17. Bxd4 Nxd4 18. Rxc8 Nf5 19. Rxf8+ Kxf8 20. g4 Nh6 21. Qf4 Qc7 22. Nf3 Ke7 23. Qg5+ {Weck,M (1803)-Viennot,D St Chely d'Aubrac 2006 1-0 (34)}) 9. d4 {-0.13/27} (9. d3 $14 {0.42/25}) 9... Bd6 {0.50/23} (9... cxd4 $11 {-0.13/27} 10. Nxc6 Qxc6) 10. dxc5 {0.08/28} (10. c4 $14 {0.50/23}) 10... Bxc5 11. Nxc6 {0.08/28} (11. Ng4 $14 {0.57/23}) 11... Qxc6 {0.69/22} (11... bxc6 $11 {0.08/28} 12. c4 Be7) 12. Nd2 {0.00/26} (12. c4 $1 $14 {0.69/22}) 12... Be7 13. Rfc1 {-0.09/27} (13. c4 $14 {0.32/23}) 13... O-O 14. c4 Qd7 {0.44/24} (14... Rac8 $11 {-0.09/27}) 15. cxd5 {0.00/27} (15. Rd1 $14 {0.44/24}) 15... Nxd5 { 0.52/27} ({Black should try} 15... Rfd8 $11 {0.00/27}) 16. Nc4 Bf6 17. Bxf6 Nxf6 18. Ne5 {-0.09/29} (18. e4 $14 {0.54/26}) 18... Qd6 19. f4 {-0.36/23} (19. Nc4 $11 {0.24/28} Qe7 20. e4) 19... Nd5 20. Rd1 {-0.65/26} (20. Rc4 $11 { -0.01/29}) 20... Qb6 {0.19/28} (20... Rad8 $15 {-0.65/26} 21. Qf3 Qb6) 21. Nc4 {-0.67/23} ({White should play} 21. Rxd5 $11 {0.19/28} exd5 22. Nd7) 21... Qb4 {0.00/27} (21... Qc5 $15 {-0.67/23} 22. Rd4 b5) 22. Qc2 {-1.41/25} (22. Rd4 $11 {0.00/27}) 22... Rac8 {-0.13/29} (22... b5 $17 {-1.41/25} 23. e4 Qc5+ 24. Qf2 Qxf2+ 25. Kxf2 Nc3) 23. a3 {-1.36/25} (23. Qd2 $1 $11 {-0.13/29 keeps the balance.}) 23... Qc5 $36 {White is under strong pressure.} 24. Qe4 $2 {-3.89/ 28 [#]} (24. Qf2 $17 {-1.29/31 is a better defense.}) 24... Nc3 $19 25. b4 $2 { -8.12/26} (25. Qxb7 {-3.86/31} Nxd1 26. Rxd1) 25... Qxc4 ({Weaker is} 25... Nxe4 26. bxc5 Rxc5 27. Nd6 $17) 26. Qxb7 Nxd1 27. Rxd1 Qe2 28. Ra1 Rc2 { -8.89/31 Accuracy: White = 0%, Black = 21%.} (28... Qxe3+ $142 {-#7/29} 29. Kf1 Qd3+ 30. Ke1 Rc2 31. Qf3 Qd4 32. h3 Qg1+ 33. Qf1 Qe3+ 34. Kd1 Qd2#) 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.02.02"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 3.0 (5s), TV"] [PlyCount "79"] [EventDate "2015.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} c5 3. Bb2 Nc6 4. e3 Bg4 5. Be2 e6 {A06 Réti Opening: 1.Nf3 d5} 6. O-O {0.14/24} (6. c4 $14 { 0.59/20}) 6... Nf6 $11 7. c4 (7. d4 Be7 8. h3 Bh5 9. c4 cxd4 10. Nxd4 Bxe2 11. Qxe2 Nxd4 12. Bxd4 O-O 13. Nd2 dxc4 14. Nxc4 Nd5 15. Rfd1 Bf6 16. Rac1 Qe7 17. Qf3 Bxd4 18. Rxd4 b5 19. Ne5 Rac8 20. Ra1 Rc2 21. a4 Qc7 {Veliz,A (1754)-Gallo, L (1555) Villaguay 2016 1/2-1/2}) 7... Bd6 {0.53/22} (7... Be7 $11 {0.00/23} 8. d3 O-O 9. cxd5 Nxd5 10. a3 Bf6 11. Qc2 Rc8 12. Nbd2 Bxb2 13. Qxb2 e5 14. Rac1 Qe7 15. h3 Bh5 16. Ne4 b6 17. Rfd1 Rfd8 18. Nxe5 Nxe5 19. Bxh5 Nxe3 20. fxe3 Nxd3 21. Rxd3 Rxd3 22. Bf3 f5 {Silveira Filho,N (2248)-Rodrigues da Silva,E (2202) Joao Pessoa 2010 0-1}) 8. d4 $146 {0.00/25} (8. h3 $14 {0.53/22} Bxf3 ( 8... Bh5 9. d4 O-O 10. Ne5 Bxe2 11. Qxe2 Qc7 12. Nxc6 bxc6 13. dxc5 Bxc5 14. Bxf6 gxf6 15. cxd5 cxd5 16. Nd2 f5 17. Rac1 Qe7 18. Nf3 Ba3 19. Rc6 Kh8 20. Qc2 Bd6 21. Nd4 Rad8 22. f4 Rg8 23. Nb5 {Fabry,R (2255)-Krajnak,J (2125) Tatranska Lomnica 1997 1/2-1/2 (37)}) 9. Bxf3) (8. cxd5 Nxd5 9. Na3 h5 10. Nc4 Bc7 11. Nfe5 Bxe2 12. Qxe2 Nxe5 13. Nxe5 a6 14. Rac1 f6 15. Nd3 Qd6 16. f4 b6 17. e4 Ne7 18. e5 Qd5 19. exf6 gxf6 20. Bxf6 Rg8 21. Ne5 Bxe5 22. fxe5 Kd7 {Cocchi,A (2261)-Galli,F (2107) Bratto 2000 1-0}) 8... b6 $2 {1.56/22} (8... cxd4 $11 { 0.00/25} 9. cxd5 Nxd5 10. Nxd4 Bxe2 11. Qxe2 Nxd4 12. Bxd4 O-O) 9. cxd5 { 0.87/24} (9. dxc5 $142 $1 {1.56/22} bxc5 10. cxd5 Nxd5 11. Nbd2 (11. Bxg7 Rg8 $11)) 9... exd5 $16 10. Nbd2 {0.15/24} (10. dxc5 $16 {1.26/22} bxc5 11. Bxf6 gxf6 12. Nc3) 10... O-O {0.59/21} (10... Rc8 $11 {0.15/24 is more appropriate.} ) 11. h3 {0.00/23} (11. Ne5 $14 {0.59/21} Bxe2 12. Qxe2) 11... Bh5 12. Ne5 Bxe2 13. Qxe2 Bxe5 {0.88/24} (13... Rc8 $11 {0.20/24}) 14. dxe5 Nd7 {1.37/21} (14... Ne8 $1 $11 {0.08/23 remains equal.}) 15. f4 f6 16. e6 Ndb8 17. f5 {1.38/22} ( 17. Rad1 $18 {1.84/20}) 17... d4 $2 {3.82/22} (17... Ne7 $16 {1.38/22}) 18. exd4 {2.24/21} (18. Qf3 $142 {3.82/22}) 18... Nxd4 $18 19. Qg4 Nbc6 20. Ne4 { 0.95/25} ({Better is} 20. Nf3 $18 {1.90/21}) 20... Ne5 {1.42/19} (20... Qc7 $142 {0.95/25}) 21. Qd1 Qd5 22. Ng3 {0.60/23} (22. Nc3 $16 {1.33/22} Qd6 23. a4 ) 22... Rfd8 {1.47/22} (22... a5 $14 {0.60/23}) 23. Qh5 $1 $16 Nd3 {1.55/23} ({ Black should try} 23... Qb7 $1 $14 {0.61/23}) 24. Bxd4 Qxd4+ {1.37/22} ({ Black should play} 24... cxd4 {0.84/23} 25. Qf7+ Kh8) 25. Kh2 {Hoping for Rad1. } Nf4 $2 {5.68/21} (25... Qe5 $16 {1.13/24 is a better chance.}) 26. Qf7+ $18 Kh8 27. Nh5 $2 {1.53/26} (27. Rad1 $1 $18 {5.63/23 is the precise move to win.} Nd3 (27... Qxd1 28. Rxd1) 28. Nh5) 27... Nxh5 $16 28. Qxh5 Qe5+ 29. Kh1 Rd2 { 2.56/21} (29... Qc7 $16 {1.53/23} 30. Rae1 Qe7) 30. Rae1 $40 {White is out for blood.} Qg3 {[#]} 31. Rg1 $2 {-0.58/26} (31. Re2 $18 {2.36/24} Rxe2 32. Qxe2) 31... Rxg2 $1 $15 32. Rxg2 Qxe1+ {Endgame KQR-KQR} 33. Kh2 Qe5+ 34. Rg3 $2 { -2.08/27} (34. Kh1 $1 $11 {-0.23/25 and White stays safe.}) 34... Rd8 {[#] ( -> ...Rd2+)} 35. Qf3 Rd2+ {-0.79/27} (35... g5 $19 {-1.87/24} 36. Kh1 Kg7) 36. Kh1 $17 {Intending Qa8+ and mate.} h6 {0.00/36} (36... g6 $17 {-1.19/22} 37. Rg2 Kg7 38. Rxd2 (38. Qb7+ Kh6 $17) 38... Qe1+ 39. Kg2 Qxd2+ 40. Kh1 Qc1+ 41. Kh2 Qd2+ 42. Kh1 Qc1+ 43. Kh2 Qb2+ 44. Kg3 Qe5+ 45. Kg2 Kh6) 37. Qg4 $2 { -1.68/22} (37. Rg2 $11 {0.00/36}) 37... Qe1+ $4 {61.47/39} (37... Qd5+ $19 { -1.68/22} 38. Rg2 g5) 38. Rg1 $18 Qxg1+ 39. Kxg1 {White threatens e7 and mate.} Rxa2 40. e7 {Accuracy: White = 41%, Black = 26%.} 1-0 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.03.12"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "54"] [EventDate "2015.??.??"] 1. b3 d5 {A01 Nimzo-Larsen Attack: Classical Variation} 2. Bb2 c5 3. e3 Nc6 4. Nf3 Bg4 5. Be2 e6 {A06 Réti Opening: 1.Nf3 d5} 6. O-O Nf6 7. Ne5 {-0.23/27} ( 7. c4 $14 {0.56/24}) 7... Bxe2 {0.39/27} (7... Nxe5 $11 {-0.23/27} 8. Bxe5 Bd6 9. Bxd6 Bxe2 10. Qxe2 Qxd6) 8. Qxe2 $14 {White is slightly better.} Nxe5 9. Bxe5 Be7 {0.34/24} (9... Bd6 $11 {-0.22/25} 10. Bxf6 gxf6) 10. f4 {-0.21/24} ( 10. Bb2 $14 {0.34/24}) (10. d3 O-O 11. Nd2 Nd7 12. Bg3 f5 13. f4 Bf6 14. Rad1 b5 15. c4 Qa5 16. Nf3 Nb6 17. Be1 Qa6 18. cxb5 Qxb5 19. Rc1 Kh8 20. Bh4 Bxh4 21. Nxh4 a5 22. Qc2 Nd7 23. Nf3 a4 24. Ne5 Nxe5 {Palliser,R (2322) -Panchanathan,M (2238) Witley 2000 0-1 (57)}) (10. Qb5+ Qd7 11. Qxd7+ Kxd7 12. d3 Rhd8 13. Nd2 Ne8 14. c4 Kc6 15. Bc3 Bf6 16. Bxf6 Nxf6 17. Nf3 Nd7 18. cxd5+ exd5 19. Rac1 Kd6 20. d4 b6 21. dxc5+ bxc5 22. Rfd1 Nf6 23. Rc4 h6 24. e4 Ke7 { Garcia Galeote,L (2025)-Semprun Martinez,F (2204) Collado Villalba 2012 1/2-1/ 2 (58)}) 10... O-O $11 11. Rf3 $146 {-0.59/23} (11. d3 $11 {0.09/29}) (11. d4 cxd4 12. exd4 Rc8 13. Rf3 Ne4 14. c4 f6 15. cxd5 exd5 16. h3 fxe5 17. fxe5 Rxf3 18. Qxf3 Rc1+ 19. Kh2 Qf8 20. Qg4 Qc8 21. Qf4 Bg5 22. Qf3 Qf8 23. Qg4 Bf4+ { 0-1 (23) Falabella,F-D'Atri,E Chivilcoy 1987}) 11... Bd6 {-0.12/28} (11... Nd7 $15 {-0.59/23} 12. Bb2 Bf6) 12. Rh3 {-0.69/26} ({Better is} 12. Bxf6 $11 { -0.12/28} Qxf6 13. Nc3) 12... Bxe5 $15 13. fxe5 Ne4 14. Qh5 {-1.09/28} (14. d3 $15 {-0.50/28} Ng5 15. Rg3) 14... h6 {-0.66/27} (14... Ng5 $17 {-1.09/28} 15. Rg3 Ne4) 15. d3 {-1.83/25} ({White should try} 15. Nc3 $1 $15 {-0.66/27}) 15... Ng5 $19 {Hoping for ...Qa5.} 16. Rg3 Kh8 $2 {0.15/28} (16... Qc7 $19 {-1.91/24} 17. Nd2 Qxe5) 17. h4 Nh7 18. Qg4 Rg8 19. Nd2 {-1.26/23} (19. Nc3 $1 $11 { 0.00/28 remains equal.}) 19... g5 $2 {0.34/28} (19... Qa5 $1 $17 {-1.26/23} 20. Nf3 Qc3) 20. Qh5 $14 gxh4 21. Rf3 $2 {-1.48/29} (21. Rxg8+ $11 {0.10/28} Qxg8 22. Qxh6 (22. Qxh4 Qg7 $11)) 21... f6 $2 {1.71/26} (21... Qg5 $17 {-1.48/29 keeps the pressure on.} 22. Qxg5 Rxg5) 22. Qxh6 {0.55/30} (22. exf6 $18 { 1.71/26} Rg5 23. Qxh6) 22... fxe5 $2 {3.41/26} (22... Qa5 $1 $14 {0.55/30} 23. e4 Qc3) 23. Rf7 $18 ({Worse is} 23. Qxe6 Qg5 $11) 23... Rxg2+ 24. Kf1 $2 { 0.00/36} (24. Kh1 $18 {3.35/35} Qg8 25. Rxh7+ $1 Qxh7 26. Qxh7+ Kxh7 27. Kxg2) 24... Qg8 $4 {3.42/35 [#]} (24... Rg1+ $1 $11 {0.00/36 and Black has nothing to worry.} 25. Kf2 Rg2+ 26. Kf1 Rg1+ 27. Ke2 Rg2+ 28. Kf1) 25. Qxe6 $4 { -11.49/26} (25. Rxh7+ $1 $18 {3.42/35} Qxh7 26. Qxh7+ Kxh7 27. Kxg2) 25... Rg1+ 26. Ke2 Qg4+ $2 {-0.26/26} ({Black should play} 26... Rg2+ $19 {-8.04/25} 27. Ke1 Qg3+ 28. Kd1 Qxe3 29. Rxh7+ Kxh7 30. Qf7+ Rg7 31. Qf5+ Kg8) 27. Nf3 $2 { -#1/27} (27. Qxg4 $11 {-0.26/26} Rxg4 28. Rh1) 27... Qxe6 {-12.41/25 Accuracy: White = 17%, Black = 28%.} (27... Qg2# $142 {-#1/27}) 0-1

A06 Réti Opening: 1.Nf3 d5 (1.b3 Nf6 2.Bb2 e6 3.e3 d5 4.Nf3 Bd6 5.Be2)

[Event ""] [Site "?"] [Date "2011.08.28"] [White "RT"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1857"] [BlackElo "1852"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "128"] 1. b3 Nf6 {A01 Nimzo-Larsen Attack: Indian Variation} 2. Bb2 e6 3. e3 d5 4. Nf3 Bd6 5. Be2 {A06 Réti Opening: 1.Nf3 d5} Nbd7 {0.52/25} (5... c5 $15 {-0.38/25} ) 6. a3 $146 {-0.61/23} (6. c4 $14 {0.52/25} c6 (6... O-O 7. Nc3 b6 8. Qc2 dxc4 9. bxc4 Bb7 10. Nb5 Be7 11. h4 a6 12. Nc3 Re8 13. h5 Bf8 14. d4 c5 15. Bd3 cxd4 16. Ne4 Bb4+ 17. Ke2 Bxe4 18. Bxe4 Nc5 19. a3 Ncxe4 20. axb4 d3+ 21. Qxd3 { Rethy,P-Lundin,E Munich 1941 0-1}) 7. O-O O-O 8. d3 Re8 9. Nc3 Nf8 10. e4 dxe4 11. Nxe4 Be7 12. Ne5 Ng6 13. Nxg6 hxg6 14. Ng5 Qa5 15. f4 Ba3 16. Bxa3 Qxa3 17. Qd2 Qd6 18. Nf3 c5 19. Rad1 Rd8 20. d4 {1/2-1/2 (20) Ueti,S (2234)-Van Riemsdijk,H (2396) Santos 2008}) (6. O-O Qe7 7. c4 O-O 8. Nc3 a6 9. Qc2 Ba3 10. Bxa3 Qxa3 11. cxd5 exd5 12. d4 Re8 13. Rac1 c6 14. Bd3 Nf8 15. Na4 Qd6 16. Nc5 Re7 17. h3 g6 18. Ne5 N6d7 19. Nexd7 Nxd7 20. b4 Nf8 {David,M-Veresov,G Leningrad 1938 1/2-1/2 (71)}) (6. d3 O-O 7. Nbd2 b6 (7... e5 8. c4 c5 9. cxd5 Nxd5 10. Nc4 Bc7 11. Nfxe5 Nxe5 12. Bxe5 Bxe5 13. Nxe5 Qg5 14. Ng4 Nc3 15. h4 Qg6 16. Ne5 Qxg2 17. Bf3 Qxh1+ 18. Bxh1 Nxd1 19. Kxd1 Re8 20. Nf3 Bf5 21. Ke2 Rad8 22. Ne1 {Didiliuc,D (1573)-Olea,L (1926) Baile Olanesti 2013 0-1 (38)}) 8. O-O Bb7 9. c4 c5 10. Qc2 Rc8 11. a3 Qe7 12. Rfe1 e5 13. cxd5 Nxd5 14. Nc4 Bb8 15. e4 Nf4 16. Bf1 Rfd8 17. Ne3 g6 18. Bc1 Kh8 19. Qb1 Nf8 20. a4 Ba6 { Tuertmann,D (1846)-Wetjen,A (1998) Binz 2014 1-0 (103)}) 6... O-O {0.11/26} ( 6... e5 $15 {-0.61/23}) 7. d4 {-0.36/23} (7. c4 $11 {0.11/26}) 7... c5 {0.41/25 } (7... Re8 $15 {-0.36/23}) 8. c3 {-0.73/22} (8. dxc5 $14 {0.41/25} Nxc5 9. Nbd2) 8... Ne4 {0.31/26} (8... Qe7 $17 {-0.73/22}) 9. Nbd2 {-0.47/24} (9. dxc5 $14 {0.31/26} Bxc5 10. Nbd2) 9... Ndf6 {0.24/26} (9... cxd4 $15 {-0.47/24} 10. Nxe4 dxe4 11. Nxd4 Bb8) 10. h3 {-0.43/25} (10. Nxe4 $11 {0.24/26} dxe4 11. Ne5) 10... b6 {0.00/26} (10... cxd4 $15 {-0.43/25 should be considered.} 11. Nxe4 Nxe4 12. Qxd4 Be7) 11. Qc2 {-0.48/25} (11. dxc5 $11 {0.00/26} bxc5 12. c4) 11... Bb7 {-0.07/27} (11... cxd4 $15 {-0.48/25 is superior.} 12. cxd4 Bb7) 12. dxc5 $11 Nxc5 {-0.07/26} ({Black should play} 12... bxc5 $17 {-0.75/20} 13. c4 Qc7) 13. h4 {-1.56/23} (13. O-O $11 {-0.07/26}) 13... Rc8 {-1.15/26} (13... Qe7 $142 {-1.56/23} 14. O-O Rac8) 14. Ng5 {-1.98/22} (14. c4 $17 {-1.15/26}) 14... e5 {-0.86/27} (14... Qe7 $19 {-1.98/22 is more deadly.} 15. c4 e5) 15. b4 $17 Ncd7 16. Qb3 {-1.97/22} (16. e4 $17 {-0.90/26}) 16... Qe7 {-1.38/25} (16... Bb8 $19 {-1.97/22} 17. Ngf3 Ng4) 17. Kf1 {-2.20/22} (17. Ngf3 $17 {-1.38/25}) 17... e4 18. Nh3 {-3.00/23} (18. Qd1 $142 {-1.92/26}) 18... Rc7 {-1.57/27} (18... Ne5 $19 {-3.00/23} 19. Qc2 Rfe8) 19. g3 $2 {-3.27/22} (19. Qd1 $17 {-1.57/27}) 19... Rfc8 {-1.85/29} (19... Ne5 $142 {-3.27/22} 20. Nf4 Nd3 $1 21. Nxd3 exd3) 20. Nf4 $2 {-3.40/23} (20. Qd1 {-1.85/29}) 20... Ne5 $19 21. Rd1 {[#]} Nc4 $2 { -0.97/23} (21... Nd3 $1 $19 {-4.32/24 and Black stays clearly on top. ...d4! is the strong threat.} 22. Nxd3 (22. Bxd3 exd3) 22... exd3) 22. Nb1 $2 { -3.27/22} (22. Nxc4 $17 {-0.97/23} dxc4 23. Qc2) 22... Be5 23. Ba1 b5 24. Kg2 a6 25. a4 Bc6 26. a5 Bb7 27. Qa2 $2 {-4.19/23 [#]} (27. Na3 {-2.53/27}) 27... Qe8 $2 {-1.40/29} (27... d4 $1 $19 {-4.19/23 has better winning chances.} 28. Bxc4 (28. cxd4 Bxf4) 28... Rxc4) 28. Bxc4 $2 {-3.62/24} (28. Nd2 $17 {-1.40/29} ) 28... dxc4 ({Weaker is} 28... Rxc4 29. Nd2 $17) (28... bxc4 29. Ne2 $17) 29. Ne2 Rd8 30. Nd4 Rcd7 31. Qe2 Bb8 32. Nd2 Ba7 33. Bb2 {-5.10/21} (33. h5 { -3.62/27 was called for.} Bxd4 34. cxd4) 33... Qe5 34. Nf1 Nd5 35. Rc1 Rd6 36. Nh2 f5 37. Kf1 Nf6 38. Rg1 Rf8 (38... Bxd4 $2 39. exd4 Qe6 40. Ke1 $19) 39. Rc2 Bc8 40. Ke1 Qe7 41. Kd1 Nd5 42. Kc1 $2 {-5.30/23} (42. Rd2 {-2.66/27}) 42... Rg6 {-2.54/26} (42... Bxd4 $142 {-5.30/23} 43. exd4 f4 44. gxf4 Nxf4) 43. h5 Rh6 44. Kb1 Qg5 45. Nf1 $2 {-4.08/23} (45. Rd2 {-2.41/27} Bb7 46. Nf1) 45... Bb8 46. Rh1 Nf6 47. f4 exf3 $4 {2.62/29} (47... Qg4 $1 $19 {-2.37/30 avoids the disaster.} 48. Qxg4 Nxg4) 48. Qxf3 $4 {-4.02/24} (48. Nxf3 $18 {2.62/29 was the only winning move.} Qg4 49. Rh4) 48... Rxh5 49. Rxh5 Qxh5 (49... Nxh5 $2 50. Qd5+ Kh8 51. e4 $19) 50. Qc6 Qe8 51. Qf3 Qe4 52. Qe2 Bb7 53. Ka2 Ng4 54. Rd2 Re8 55. Bc1 Nxe3 $2 {-1.51/34} (55... g6 $19 {-5.18/26} 56. Bb2 Be5) 56. Nxe3 Qxe3 57. Qxe3 Rxe3 58. Nxf5 Re8 {-0.09/36} (58... Rd3 $17 {-1.12/26 Hoping for ...Rxd2+.} 59. Re2 Kf8) 59. Rd7 {-0.86/30 [#]} (59. Nd6 $11 { -0.09/36 remains equal.} Bxd6 60. Rxd6) 59... Be4 {0.00/36} ({Better is} 59... Bc8 $1 $17 {-0.86/30} 60. Rxg7+ Kf8) 60. Nxg7 $11 Rf8 {White must now prevent . ..Be5.} 61. Nh5 $2 {-2.32/27} (61. Ne6 $11 {0.00/32 and White is okay.} Re8 62. Nc7 Bxc7 63. Rxc7) 61... Rf2+ $19 62. Ka3 {aiming for Rd8+.} Bb1 63. Bb2 { And now Rd8+ would win.} Be5 {( -> ...Bxc3!)} 64. Ra7 $2 {-#10/28 [#]} (64. Rd1 $19 {-1.67/32} Bd3 {[#]} 65. Nf4 $1 Bxf4 66. gxf4) 64... Bxc3 $1 {Accuracy: White = 18%, Black = 28%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 d5 2.c3)

[Event "ICC 15 0"] [Site "Internet Chess Club"] [Date "2011.02.14"] [Round "?"] [White "basia"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1418"] [BlackElo "1708"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "44"] [EventDate "2011.??.??"] 1. Nf3 d5 {A06 Réti Opening} 2. c3 {A06 Réti Opening: 1.Nf3 d5} Nf6 3. g3 c5 (3... Bf5 4. d3 (4. Bg2 e6 5. O-O Be7 6. d3 h6 7. Nbd2 O-O 8. c4 c6 9. b3 Nbd7 10. Bb2 Bh7 11. a3 a5 12. Ra2 b5 13. cxb5 cxb5 14. Qa1 Qb6 15. Ne5 Nxe5 16. Bxe5 Rfc8 17. e4 Rc6 18. Bd4 Qc7 {Soham,D (2029)-Mullick,R (1775) Mumbai 2018 0-1 (52)}) 4... Nbd7 5. Na3 e5 6. Nc2 h6 7. Bg2 Bd6 8. O-O O-O 9. Nd2 c6 10. e4 Bg4 11. Qe1 Re8 12. f3 Bh5 13. b4 a5 14. Qf2 axb4 15. cxb4 Ra4 16. a3 Bc7 17. Nb3 Qe7 18. Be3 {Yin,S (1932)-Pribyl,J (2367) Schwäbisch Gmünd 2008 0-1}) 4. Bg2 Nc6 5. d3 e5 $146 (5... Bg4 6. Nbd2 e5 7. Qa4 Qd7 8. h3 Bh5 9. a3 Be7 10. b4 e4 11. dxe4 dxe4 12. Ng5 e3 13. Nc4 exf2+ 14. Kxf2 O-O 15. Bf4 h6 16. Rad1 Qf5 17. Ne3 Qg6 18. Nf3 Ne4+ 19. Kf1 Nxc3 20. Qb3 {Fleischmann,K (1913)-Figura, A (1494) Berlin 2000 0-1 (46)}) 6. Nbd2 {-0.78/23} (6. O-O $11 {-0.20/26 keeps the balance.}) 6... Bf5 {0.46/24} ({Better is} 6... Bd6 $17 {-0.78/23}) 7. O-O {-0.13/28} (7. e4 $14 {0.46/24} dxe4 8. dxe4) 7... Be7 {0.29/28} (7... Qd7 { -0.13/28 is more appropriate.}) 8. Nh4 {-1.01/20} (8. e4 $11 {0.29/28} dxe4 9. dxe4) 8... Be6 {0.00/25} (8... Bg4 $17 {-1.01/20}) 9. Re1 {-1.27/22} (9. e4 $1 $11 {0.00/25}) 9... O-O {-0.20/25} (9... g5 $17 {-1.27/22} 10. Nhf3 h6) 10. Nhf3 {-1.41/21} (10. e4 $11 {-0.20/25}) 10... Nd7 {-0.84/28} (10... h6 $142 { -1.41/21} 11. e4 d4) 11. e4 {-1.63/25 [#]} (11. b3 $17 {-0.84/28}) 11... Qc7 $2 {0.41/26} (11... d4 $1 $19 {-1.63/25} 12. a4 a6) 12. exd5 $14 Bxd5 13. c4 { -0.59/24} (13. Nxe5 $14 {0.36/26} Bxg2 14. Nxd7 Qxd7 15. Kxg2) 13... Be6 $15 14. Ne4 f6 {0.26/25} (14... h6 $15 {-0.64/23}) 15. Nc3 {-0.82/22} (15. Be3 $11 {0.26/25 remains equal.}) 15... Rad8 16. Nd5 Bxd5 {0.56/25} ({Black should play } 16... Qd6 $15 {-0.44/25}) 17. cxd5 $14 Nb4 {0.67/26} (17... Nd4 $11 {0.00/25} ) 18. Nh4 Nb6 {1.66/27 [#]} ({Black should try} 18... g6 $14 {0.58/29}) 19. Nf5 $2 {-0.68/28} ({Only move:} 19. Be4 $1 $18 {1.66/27}) 19... N6xd5 $2 {3.57/25} (19... Rfe8 $15 {-0.68/28 stays ahead.}) 20. Nxe7+ $4 {-1.88/25} (20. a3 $18 { 3.57/25 and all is fine.}) 20... Nxe7 $19 ({But not} 20... Qxe7 21. a3 $17) 21. f3 $2 {-4.96/25} (21. Bf1 $17 {-1.55/27}) 21... Rxd3 22. Bf1 {-10.35/23} (22. Qe2 $142 {-4.61/27} Nf5 23. Rd1 Rxd1+ 24. Qxd1) 22... Rxd1 {Accuracy: White = 17%, Black = 5%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.b3 d5 2.Bb2 c5 3.e3 Nc6 4.Nf3 Bg4 5.Bb5)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2010.12.21"] [Round "?"] [White "Baldassarre"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [WhiteElo "1439"] [BlackElo "1403"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "119"] [EventDate "2010.??.??"] 1. b3 d5 {A01 Nimzo-Larsen Attack: Classical Variation} 2. Bb2 c5 3. e3 Nc6 4. Nf3 Bg4 5. Bb5 {A06 Réti Opening: 1.Nf3 d5} a6 {0.98/25} (5... e6 $11 { -0.18/25}) 6. Bxc6+ $16 bxc6 7. c4 $146 {-0.06/27} (7. h3 $16 {0.89/24} Bxf3 ( 7... Bh5 8. g4 Bg6 9. Ne5 f6 10. Nxg6 hxg6 11. Qe2 e5 12. Nc3 Bd6 13. d3 Ne7 14. O-O-O g5 15. Rdf1 Kf7 16. Kb1 Ng6 17. f3 Qe7 18. Na4 Rab8 19. Qd2 Rb5 20. Nc3 Rbb8 21. Ne2 Qc7 22. Qc3 {Smajlovic,S (1723)-Dugonjic,D (2040) Bosna 2017 1-0 (46)}) 8. Qxf3 e6 9. O-O Nf6 10. d3 Be7 11. Rd1 O-O 12. c4 a5 13. Nc3 Qc7 14. Rac1 Nd7 15. Na4 f5 16. cxd5 cxd5 17. d4 Rab8 18. dxc5 Bf6 19. c6 Ne5 20. Bxe5 Bxe5 21. Qe2 f4 22. exf4 Bxf4 23. Qxe6+ {Salgado Lopez,I (2644)-Amer,S (2103) Riadh 2017 1-0 (33)}) (7. O-O e6 8. d3 Nf6 9. Nbd2 Bd6 10. e4 Be7 11. Re1 O-O 12. Nf1 Qc7 13. h3 Bh5 14. Ng3 Bg6 15. Ne5 Nd7 16. Nxg6 hxg6 17. Qd2 Bf6 18. Bxf6 Nxf6 19. Qe3 d4 20. Qd2 e5 21. Rf1 Qd6 {Albuquerque,W (2181)-Lima, A (1849) Fortaleza 2018 1-0 (42)}) 7... e6 {0.41/24} (7... Nf6 $11 {-0.06/27 should be considered.}) 8. h3 {0.00/26} (8. d3 $14 {0.41/24}) 8... Bf5 {0.90/20 } (8... Bh5 $11 {0.00/26}) 9. d3 {0.30/26} (9. O-O $16 {0.90/20}) 9... Nf6 $11 10. Nbd2 {-0.18/24} ({White should try} 10. Nh4 $16 {0.93/22}) 10... Be7 { 0.69/25} (10... Bxd3 $11 {-0.18/24} 11. Ne5 Be4) 11. O-O $2 {-1.40/24} (11. Ne5 $14 {0.69/25 keeps the upper hand.}) 11... O-O $2 {0.45/26} (11... Bxd3 $17 { -1.40/24} 12. Re1 Bg6) 12. Nh4 $2 {-2.14/24} (12. Ne5 $14 {0.45/26}) 12... Bg6 $2 {0.79/24} (12... Bxd3 $19 {-2.14/24} 13. Re1 Ne4) 13. Nxg6 $16 fxg6 {1.16/22 } (13... hxg6 $11 {0.18/23 keeps the balance.} 14. Nf3 Bd6) 14. Nf3 {0.51/25} ( 14. Qe2 $16 {1.16/22}) 14... Nd7 {1.12/22} (14... a5 $14 {0.51/25}) 15. d4 { 0.71/26} ({White should play} 15. Rc1 {1.12/22}) 15... cxd4 $2 {3.09/22} (15... Nf6 $16 {0.71/26}) 16. Nxd4 $18 Qc7 $2 {5.66/23} (16... Qc8 {3.07/28 is a better defense.} 17. Nxe6 Rf5) 17. Nxe6 Qd6 18. Nxf8 Rxf8 19. Qd4 Bf6 20. Qd2 Be7 21. cxd5 cxd5 22. Rad1 Nb6 23. Bd4 Nd7 24. Qe2 Qe6 25. Rc1 Bf6 26. Bxf6 Nxf6 27. Rc7 Ne4 28. Qg4 Qxg4 29. hxg4 {Endgame KRR-KRN} Nf6 30. f3 Ra8 31. Rd1 a5 32. g5 Nh5 33. Kf2 a4 34. b4 a3 35. Rxd5 Rb8 36. b5 Kf8 {[#]} 37. Rc3 { 10.75/27} (37. b6 $142 $1 {#12/26} h6 (37... Rxb6 38. Rd8#) 38. b7 hxg5 39. Rc8+ Kf7 40. Rxb8 g4 {[#]} 41. Rf8+ $1 Ke6 42. Rc5) 37... Ra8 38. b6 Ke7 39. b7 Rb8 40. Rb5 Kd6 41. Rxa3 Kc6 42. Rbb3 Rxb7 43. Rxb7 Kxb7 {KR-KN} 44. Rd3 Kb6 45. a4 Ka5 46. Ra3 Kb4 47. Ra1 Ka5 48. Ke2 Ka6 49. Kd3 Ka5 50. Kc4 Ng3 51. e4 Ne2 52. e5 {White threatens e6 and mate.} Nf4 53. Kc5 Ne6+ 54. Kd6 Nxg5 { White mates.} 55. e6 Nxe6 56. Kxe6 g5 57. Kf7 h5 58. Kxg7 g4 59. fxg4 hxg4 60. Kg6 {Accuracy: White = 44%, Black = 12%.} 1-0

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 c5 2.b3 Nc6 3.Bb2 d5 4.e3 e6)

[Event "Chess On The Web"] [Site "?"] [Date "2008.10.20"] [Round "?"] [White "rontifrans"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1746"] [BlackElo "1536"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "68"] 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. b3 Nc6 3. Bb2 d5 4. e3 e6 {A06 Réti Opening: 1.Nf3 d5} 5. Ne5 (5. Be2 Nf6 6. O-O Be7 7. d3 O-O 8. Nbd2 b6 9. c4 Bb7 10. Qc2 Re8 11. Rac1 Bf8 12. cxd5 exd5 13. Rfd1 d4 14. e4 Nh5 15. Re1 Nf4 16. Bf1 Qd7 17. a3 Rad8 18. Qd1 Qg4 19. Kh1 Rd6 {Lupu,M (2435) -Dohl,A (2195) Cappelle la Grande 1993 0-1 (54)}) 5... Nxe5 $146 {0.08/24} ( 5... Nge7 $15 {-0.58/24}) (5... Nf6 6. Nxc6 bxc6 7. Be2 Be7 8. O-O d4 9. Na3 O-O 10. Nc4 Qd6 {1-0 (10) Canongia Costa,L-Lagoa Labrador,F Orense 2000}) 6. Bxe5 $11 Bd7 {0.10/25} (6... Nf6 $15 {-0.53/22}) 7. c4 {-0.71/22} (7. Bb2 $11 { 0.10/25}) 7... Nf6 {-0.16/26} (7... Bc6 $17 {-0.71/22}) 8. Nc3 {The position is equal.} Bc6 9. cxd5 {-0.62/27} (9. Nb5 $11 {0.10/28}) 9... Nxd5 $15 10. Bb5 {-1.05/23} (10. Qh5 $11 {-0.29/25}) 10... Qd7 {0.09/30} (10... Bxb5 $17 { -1.05/23} 11. Nxb5 Qd7) 11. Bxc6 $11 Qxc6 12. O-O f6 {0.42/25} (12... Bd6 $11 { -0.01/29} 13. Bxd6 Qxd6) 13. Bg3 {-0.09/27} (13. Nxd5 $14 {0.42/25} Qxd5 14. Bb2) 13... Rd8 {0.45/28} (13... Nxc3 $11 {-0.09/27} 14. dxc3 h5) 14. Ne2 { -0.39/24} (14. Qe2 $14 {0.45/28}) 14... Bd6 {0.30/24} (14... Kf7 $15 {-0.39/24} ) 15. Rc1 b5 $2 {1.69/26 [#]} (15... Be7 $11 {-0.06/26 and Black stays safe.}) 16. Nd4 $1 $18 Qd7 (16... cxd4 17. Rxc6) 17. Ne2 $2 {-0.29/27} (17. Bxd6 $18 { 1.62/28} Qxd6 18. Nxb5) 17... Nb4 {0.87/27} (17... e5 $11 {-0.29/27 keeps the balance.}) 18. a3 {-0.28/27} ({Better is} 18. Bxd6 $16 {0.87/27} Qxd6 19. d4) 18... Nd3 $36 {Black fights for an advantage.} 19. Rc2 {-1.30/24} (19. Rc3 $11 {0.00/28} Bxg3 20. hxg3) 19... O-O {0.00/28} (19... Be7 $17 {-1.30/24}) 20. f4 $2 {-1.75/23} (20. Bxd6 $1 $11 {0.00/28} Qxd6 21. Nc1) 20... Rc8 {-0.65/29} ( 20... Be7 $19 {-1.75/23} 21. Qb1 e5) 21. Nc1 c4 22. bxc4 bxc4 23. Rc3 Be7 { 0.00/32} (23... Nb2 $15 {-0.69/23} 24. Qc2 Qb5) 24. Qe2 $2 {-1.90/25 [#]} (24. Qc2 $11 {0.00/32 and White is okay.}) 24... Rfd8 $1 $19 25. e4 $2 {-3.85/25} ( 25. Bh4 {-1.65/30 keeps fighting.}) 25... Bc5+ 26. Kh1 Bd4 27. Rxd3 $2 { -6.60/24} (27. Rc2 {-3.62/29} Bb2 28. Na2) 27... cxd3 28. Nxd3 Bb6 29. Rf3 Qxd3 $2 {-0.11/32} ({Black should try} 29... Qd4 $19 {-5.76/26} 30. Bf2 Qa1+ 31. Ne1 Rc1) 30. Rxd3 $11 Rxd3 31. Qe1 $2 {-6.26/24} (31. Be1 $11 {0.00/28} Rxa3 32. g4 ) 31... Rc2 $19 {Black is clearly winning.} 32. h3 Rcxd2 33. Kh2 Rd1 34. Qe2 Bg1+ {Accuracy: White = 18%, Black = 20%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 c5 2.e3 d5 3.b3 Nc6 4.Bb5 Nf6 5.Bb2 e6)

[Event "Rated game, 5m + 0s"] [Site "Official B"] [Date "2008.07.14"] [Round "?"] [White "Burghard Meyer"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [WhiteElo "1655"] [BlackElo "1719"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "171"] [EventDate "2008.06.02"] [SourceTitle "playchess.com"] 1. Nf3 (1. b3 Nf6 2. Bb2 c5 3. Nf3 Nc6 4. e3 d5 {1-0 (60) Turner,J (2255) -Doring,R (2145) Klatovy 2000}) 1... c5 {A04 Zukertort Opening: Sicilian Invitation} (1... d5 2. e3 {0-1 (36) Tereba,R-Vanek,K Pardubice 1923}) (1... Nf6 2. b3 d5 3. Bb2 e6 4. e3 c5 5. Bb5+ {0-1 (30) Stangl,H (1631)-Nagy,L (1820) Austria 2017}) 2. e3 d5 3. b3 Nc6 4. Bb5 Nf6 5. Bb2 e6 {0.59/19 A06 Réti Opening: 1.Nf3 d5} (5... Bd7 $11 {-0.09/23}) 6. Bxc6+ {0.09/19} ({White should try} 6. O-O $14 {0.59/19}) 6... bxc6 $11 7. Ne5 {0.00/21} (7. O-O $14 {0.62/19} ) 7... Qd6 $146 {0.90/21} (7... Bd6 $11 {0.00/21} 8. O-O (8. f4 Qc7 9. O-O Ba6 10. d3 O-O-O 11. Qe2 h5 12. c4 Ng8 13. Nd2 f6 14. Nef3 Nh6 15. b4 cxb4 16. Nb3 Rhe8 17. c5 Bf8 18. Rfd1 e5 19. fxe5 fxe5 20. Qd2 e4 21. dxe4 dxe4 22. Nfd4 Ng4 {Gratsianov,I (1906)-Abramov,V (2263) St Petersburg 2005 0-1 (41)}) 8... Qb6 9. d3 a5 10. Nd2 a4 11. Qe2 a3 12. Bc3 Ba6 13. Rab1 Rd8 14. f4 Qc7 15. Qe1 O-O 16. Ndf3 Ra8 17. Rd1 Ne8 18. Ba5 Qc8 19. c4 f6 20. Ng4 e5 21. fxe5 Qxg4 22. exd6 Nxd6 {Turner,J (2255)-Doring,R (2145) Klatovy 2000 1-0 (60)}) (7... Qc7 8. f4 ( 8. d3 Bd6 9. f4 Bb7 10. Nd2 O-O-O 11. Ndf3 h6 12. Qe2 Ne8 13. h4 f6 14. Ng6 Rg8 15. h5 Ba6 16. O-O Qb6 17. c4 Kb8 18. d4 Nc7 19. dxc5 Bxc5 20. Bd4 Rge8 21. Rfe1 Ka8 22. Qc2 Bxd4 {Stangl,H (1631)-Nagy,L (1820) Austria 2017 0-1}) 8... Rb8 9. d3 Bd6 10. Nd2 O-O 11. O-O Ne8 12. Qh5 f6 13. Nef3 Qf7 14. Qxf7+ Rxf7 15. g3 Ba6 16. c4 Bc7 17. Ba3 Bb6 18. Nb1 Nd6 19. Nbd2 Nf5 20. Rfe1 Rd7 21. g4 Nh6 22. h3 {Tereba,R-Vanek,K Pardubice 1923 0-1 (36)}) 8. f4 {0.46/19} (8. d3 $16 {0.90/21}) 8... Be7 {0.95/20} (8... Qc7 $14 {0.46/19}) 9. O-O {0.48/22} (9. d3 $16 {0.95/20}) 9... O-O $14 10. d3 {0.35/21} (10. Rf3 $16 {0.82/19}) 10... Nd7 {0.93/19} (10... Ne8 $14 {0.35/21}) 11. Nxd7 Qxd7 12. Qg4 {0.55/22} (12. Nd2 $16 {1.01/19}) 12... d4 {1.50/19} ({Black should play} 12... f6 $1 $14 { 0.55/22}) 13. e4 {0.59/23} (13. Qg3 $16 {1.50/19}) 13... Bf6 {1.65/18} (13... f5 $14 {0.59/23} 14. Qe2 fxe4) 14. e5 $40 {0.95/24 White has strong attack.} ( 14. Nd2 $18 {1.65/18}) 14... Be7 15. Nd2 Qd5 {2.12/21} (15... c4 $16 {0.98/21}) 16. Ne4 $18 f6 17. exf6 Bxf6 18. Nxf6+ {1.33/23} ({Better is} 18. Rae1 $18 { 1.75/21}) 18... Rxf6 $16 19. c4 {0.67/25} (19. Rae1 $18 {1.70/19}) 19... Rg6 $2 {8.63/21 [#]} (19... Qd6 $14 {0.67/25}) 20. Qxg6 $18 ({Not} 20. cxd5 Rxg4 21. dxc6 Ba6 $18) 20... hxg6 21. cxd5 cxd5 22. Rac1 Ba6 23. Rf3 Rc8 24. Ba3 c4 25. dxc4 dxc4 26. bxc4 Kf7 27. c5 Kf6 28. g4 Bb7 29. Rd3 Rd8 30. c6 Ba6 31. Rd2 d3 32. c7 Rc8 33. Rc6 Bb5 34. Rc5 a6 35. g5+ Kf7 36. Rc3 Ke8 37. Bd6 Kd7 38. Be5 Ke7 39. Bxg7 Kf7 40. Be5 Ke7 41. a4 $1 Bxa4 42. Rdxd3 Bb5 43. Rh3 Be8 44. Rh7+ Bf7 45. Bf6+ Ke8 46. Rh8+ Kd7 47. Rxc8 Kxc8 48. Bd8 Be8 49. Ra3 Bb5 50. Kf2 Kb7 51. Ke3 Bd7 52. Kd4 Kb6 53. Ke5 Kb5 54. Kf6 a5 55. Kxg6 {70.55/26} (55. Rxa5+ $142 $1 {#16/26} Kc6 (55... Kxa5 56. c8=Q+) 56. Ra8 Kd5 57. Ke7 Bc6 58. Ra5+ Ke4 59. c8=Q Ke3 60. Qxc6) 55... Kb4 56. Ra1 {White mates.} a4 57. Be7+ Kb3 58. Rc1 Bc8 59. h4 Kb2 60. Rc4 Kb3 61. Rb4+ Kc3 62. Rxa4 Bd7 63. Ra8 Kd4 64. c8=Q Bxc8 65. Rxc8 Ke4 66. Bd6 Kd5 67. Be5 Ke4 68. Kf6 Kd5 69. h5 Ke4 70. Rd8 Kf3 71. Kxe6 Kg4 72. h6 Kf3 73. h7 Ke3 74. h8=Q Ke4 75. Qh7+ Ke3 76. Qd3+ Kf2 77. Bd4+ Ke1 78. Bc3+ Kf2 79. Qc2+ Kg3 80. f5 Kg4 81. g6 Kf3 82. Rd3+ Kf4 83. Qf2+ Kg5 84. Bf6+ Kh5 85. Rh3+ Kg4 86. Qg3# {Accuracy: White = 25%, Black = 16%.} 1-0

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 c5 2.b3 d5 3.Bb2)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.10.25"] [Round "?"] [White "Vierjoki, Timo"] [Black "Tasha"] [Result "0-1"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "30"] [EventDate "2002.??.??"] 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. b3 d5 3. Bb2 { A06 Réti Opening: 1.Nf3 d5} Nc6 4. d4 Qa5+ $146 (4... Nf6 5. Nbd2 (5. g3 Bf5 6. Bg2 e6 7. O-O Rc8 8. Nbd2 cxd4 9. Bxd4 Nxd4 10. Nxd4 Bg6 11. c4 Bc5 12. N4f3 O-O 13. Ne5 Bf5 14. Ndf3 h6 15. Rc1 Ba3 16. Rc3 Bb2 17. Re3 d4 18. Rd3 Bxd3 19. Nxd3 Bc3 {Fromm,J (1700)-Rothenberg,J (1834) Willingen 2018 0-1 (45)}) 5... Bf5 6. dxc5 e6 7. e3 Bxc5 8. a3 O-O 9. b4 Be7 10. Bd3 Ne4 11. Bxe4 dxe4 12. Nd4 Nxd4 13. Bxd4 a5 14. O-O axb4 15. axb4 Bxb4 16. Rb1 Bxd2 17. Qxd2 e5 18. Bc3 Qxd2 19. Bxd2 {Nimzowitsch,A-Tartakower,S Baden-Baden 1925 0-1 (41)}) (4... cxd4 5. Nxd4 Nf6 6. g3 (6. e3 e6 7. Be2 Bb4+ 8. c3 Bd6 9. O-O O-O 10. c4 Ne5 11. Nd2 Bd7 12. cxd5 exd5 13. Nb5 Bb8 14. Ba3 Re8 15. Nd6 Re6 16. Nxb7 Qc7 17. Nc5 Nc4 18. Nf3 Nxa3 19. Nxe6 fxe6 20. Qd2 Qb6 {Slonim,S-Verlinsky,B Moscow 1928 0-1 (37)}) 6... e6 7. Bg2 Bb4+ 8. c3 Bd6 9. O-O O-O 10. Nd2 e5 11. Nb5 Bc5 12. c4 d4 13. Ne4 Nxe4 14. Bxe4 Bh3 15. Bg2 Bxg2 16. Kxg2 Qe7 17. a4 a6 18. Na3 Rad8 19. Nc2 {Lorenc,O (2111)-Simacek,P (2513) Litomysl 2009 0-1 (33)}) 5. Qd2 Nb4 $2 {1.69/25 [#]} (5... cxd4 $11 {0.00/27 and Black is okay.} 6. Nxd4 Bd7) 6. Na3 $2 {-1.16/23 [#]} ({Better is} 6. Bc3 $1 $18 {1.69/25}) 6... cxd4 $1 $17 {Strongly threatening ...Nf6.} 7. Nxd4 {-2.05/24} (7. e3 $17 {-0.74/26 was worth a try.}) 7... e5 $19 8. c3 $2 {-4.57/21} (8. Nf3 $17 {-1.50/27 is tougher.} Nf6 9. c3) 8... exd4 {Black is clearly winning.} 9. cxb4 {-9.96/23} ( 9. Qxd4 $142 {-4.45/28} Nc6 10. Qe3+ Be6 11. Nc2) 9... Bxb4 10. Rd1 Nf6 11. e3 Bxd2+ 12. Rxd2 Ne4 13. Bc1 Bd7 14. Ke2 Nxd2 15. Bxd2 Qxa3 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.03.12"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "132"] [EventDate "2015.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} c5 3. Bb2 { A06 Réti Opening: 1.Nf3 d5} Nc6 4. d3 (4. g3 f6 5. Bg2 e5 6. O-O Be6 7. d3 Bd6 8. Nbd2 Nge7 9. e3 b5 10. a4 {1/2-1/2 (10) Hoehn,M-Kuban,G (2260) Germany 1989} ) 4... Bg4 $146 (4... e5 5. Nxe5 Nxe5 6. Bxe5 Bd6 7. Bxg7 c4 8. dxc4 Be5 9. Bxe5 f6 10. Bb2 Nh6 11. Qxd5 Qb6 12. c5 Qb4+ 13. Bc3 Qf4 14. e3 Qh4 15. Bb5+ Ke7 16. Qd6+ Kf7 17. Bc4+ Kg7 18. Qe7+ Kg6 19. Bd3+ {Schaefer,J (930)-Seume,N (886) Rotenburg 2000 1-0}) (4... Nf6 5. e3 (5. Nbd2 Qc7 6. e3 e5 7. Be2 Bd6 8. h3 b6 9. Rc1 Bb7 10. O-O Rd8 11. a3 O-O 12. Nh2 e4 13. Ng4 Nxg4 14. Bxg4 Ne5 15. dxe4 dxe4 16. Bxe5 Bxe5 17. c4 f5 18. Be2 f4 19. Qc2 f3 {Tibaldeschi,A (1613)-Crepaldi,M (1836) Vercelli 2008 0-1}) 5... e6 6. Be2 Bd6 7. Nbd2 O-O 8. c4 b6 9. d4 cxd4 10. Nxd4 Nxd4 11. Bxd4 e5 12. Bb2 Bb7 13. cxd5 Bxd5 14. Bf3 Re8 15. Bxd5 Nxd5 16. O-O Rc8 17. Nc4 Bb8 18. e4 Nf4 19. Ne3 {Hoose,H (1750) -Kozlovskaya,V (2169) Porto 2014 0-1 (52)}) (4... e6 5. g3 Nf6 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 b6 9. c4 Bb7 10. Nh4 Be7 11. e3 Qc7 12. a3 Rad8 13. Qc2 Rd7 14. Nhf3 h6 15. Rfe1 Rfd8 16. Nf1 a5 17. Rad1 Ba8 18. Ba1 Qb8 19. Qb1 {Ma,Y-Huynh Ngoc Thuy,L Huy 2009 1/2-1/2 (61)}) 5. Nbd2 e6 {0.31/27} (5... d4 $15 {-0.40/24 }) 6. Ne5 {-0.79/26} (6. h3 $14 {0.31/27} Bxf3 7. Nxf3) 6... Nxe5 {-0.28/25} ({ Black should play} 6... Qf6 $17 {-0.79/26} 7. Nec4 Qd8) 7. Bxe5 $11 Nf6 { 0.09/28} (7... f6 $17 {-0.89/25} 8. Bb2 Bd6) 8. h3 {-0.32/25} (8. g3 $11 { 0.09/28}) 8... Bh5 $15 9. g4 {-0.20/24} (9. g3 $142 {0.22/27}) 9... Bg6 $11 10. f4 $2 {-2.44/25} (10. Nf3 $11 {-0.01/27}) 10... Bd6 $2 {-0.81/27} (10... d4 $19 {-2.44/25 has better winning chances. White must now prevent ...Nd5.} 11. e4 Nd7) 11. Nf3 $17 Qc7 {0.00/25} (11... d4 $17 {-1.47/21 And now ...Nd5 would win.} 12. c4 dxc3) 12. Rg1 $2 {-1.79/26} (12. c4 $11 {0.00/25 and White is okay.}) 12... Bxe5 $19 13. fxe5 {-2.03/20} (13. Nxe5 $17 {-1.32/27 might work better.} Nd7 14. Nxg6 fxg6 15. e3) 13... Nd7 14. d4 {-3.32/22} (14. Qd2 $142 { -1.85/25}) 14... cxd4 15. Qxd4 Qxc2 16. Kf2 Be4 17. Ng5 Bg6 18. Rg3 {-3.03/23} (18. Bg2 {-1.75/28 was necessary.} Qc7 19. Rac1) 18... Qc5 {-1.51/27} (18... Rc8 $19 {-3.03/23} 19. Re3 O-O) 19. Qxc5 $17 Nxc5 20. Rc3 b6 21. b4 Nd7 22. Nf3 Be4 {-0.83/28} (22... Ke7 $19 {-1.62/27} 23. Rac1 a5) 23. Rac1 O-O 24. Rc7 Bxf3 {-0.28/29} (24... Rfd8 $17 {-1.11/27} 25. Ke3 Bxf3 26. exf3 Nxe5) 25. Rxd7 $11 Be4 26. Rcc7 a5 27. b5 Rac8 28. h4 {-0.80/30} (28. Rc6 $11 {0.12/30}) 28... Bc2 {0.30/25} (28... Rxc7 $17 {-0.80/30} 29. Rxc7 f6) 29. e3 Ba4 {1.41/29} (29... h6 $11 {0.00/31}) 30. g5 {0.00/30} (30. Bd3 $16 {1.41/29}) 30... g6 {1.22/30} ( 30... Rxc7 $11 {0.00/30} 31. Rxc7 f6 32. exf6 gxf6) 31. Kg3 {0.06/33} (31. Ke1 $1 $16 {1.22/30}) 31... Kg7 32. Be2 Bc2 $2 {2.47/25 [#]} (32... Rxc7 $14 { 0.32/33} 33. Rxc7 Rb8) 33. Kg4 $2 {-0.09/31} (33. Rxf7+ $1 $18 {2.47/25} Rxf7 34. Rxc8) 33... Bf5+ 34. Kf4 h6 {1.01/29 [#]} (34... Rxc7 $11 {-0.11/34 remains equal.} 35. Rxc7 a4) 35. gxh6+ {-0.08/30} ({White must play} 35. Rc6 $1 $16 {1.01/29}) 35... Kxh6 36. Rxf7 $2 {-2.26/29} (36. Rc6 $11 {-0.04/30 and White has nothing to worry.}) 36... Rxf7 $19 37. Rxf7 $16 {Endgame KRB-KRB} Rc2 38. Kf3 $2 {-7.61/27} (38. Bf3 {-2.45/34} Rxa2 39. Rb7) 38... Rxa2 39. Rb7 { -7.49/26} (39. Bf1 $142 {-4.48/32} a4 40. Rf8) 39... Ra4 $2 {-2.18/32} (39... Be4+ {-7.49/26} 40. Kg3 Rxe2 41. Rxb6 Rxe3+ 42. Kf2 Rb3 43. Rxe6 Rxb5) 40. Rxb6 $2 {-5.90/28} (40. Kg3 {-2.18/32}) 40... Rxh4 $2 {-2.18/33} (40... Bg4+ { -5.90/28} 41. Kf2 Ra2) 41. Rb8 Kg5 42. b6 $2 {-7.87/25} (42. Kg3 {-2.71/32}) 42... Rb4 $2 {-2.98/35} (42... Bg4+ {-7.87/25} 43. Kf2 Rh2+ 44. Kf1 Rxe2) 43. b7 $19 Rb6 44. Kf2 {-2.68/32} (44. Kg3 $142 {-1.87/31}) 44... Be4 45. Bd1 {[#]} d4 $1 46. exd4 Rxb7 47. Re8 Bf5 48. Ra8 Rb5 $2 {-1.11/34} (48... Kf4 $19 { -3.16/31 is more deadly. Hoping for ...Rb2+.} 49. Rxa5 Rb2+ 50. Ke1 Ke3 51. Ra3+ Kxd4) 49. Ba4 $2 {-4.48/28} (49. Ke3 $17 {-1.11/34}) 49... Rb4 50. Rxa5 Rxd4 51. Bd1 {-8.87/26} (51. Bc6 $142 {-4.50/32} Kf4 52. Ra3) 51... Kf4 52. Bb3 Re4 53. Bc2 Rxe5 54. Ra4+ Kg5 55. Bd1 Re4 56. Ra3 Rf4+ 57. Kg3 Rd4 58. Bf3 e5 59. Kf2 {-15.58/25} (59. Be2 $142 {-4.49/32} Rh4 60. Bf1) 59... e4 60. Be2 Kf4 61. Rc3 Rd2 62. Ke1 Rb2 63. Ra3 Bg4 64. Bf1 Bf3 {Black mates.} 65. Ra7 g5 66. Rf7+ Ke3 {Accuracy: White = 27%, Black = 42%.} 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.04.19"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "46"] [EventDate "2015.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} c5 3. Bb2 { A06 Réti Opening: 1.Nf3 d5} Nc6 4. d3 (4. g3 f6 5. Bg2 e5 6. O-O Be6 7. d3 Bd6 8. Nbd2 Nge7 9. e3 b5 10. a4 {1/2-1/2 (10) Hoehn,M-Kuban,G (2260) Germany 1989} ) 4... Bg4 $146 (4... e5 5. Nxe5 Nxe5 6. Bxe5 Bd6 7. Bxg7 c4 8. dxc4 Be5 9. Bxe5 f6 10. Bb2 Nh6 11. Qxd5 Qb6 12. c5 Qb4+ 13. Bc3 Qf4 14. e3 Qh4 15. Bb5+ Ke7 16. Qd6+ Kf7 17. Bc4+ Kg7 18. Qe7+ Kg6 19. Bd3+ {Schaefer,J (930)-Seume,N (886) Rotenburg 2000 1-0}) (4... Nf6 5. e3 (5. Nbd2 Qc7 6. e3 e5 7. Be2 Bd6 8. h3 b6 9. Rc1 Bb7 10. O-O Rd8 11. a3 O-O 12. Nh2 e4 13. Ng4 Nxg4 14. Bxg4 Ne5 15. dxe4 dxe4 16. Bxe5 Bxe5 17. c4 f5 18. Be2 f4 19. Qc2 f3 {Tibaldeschi,A (1613)-Crepaldi,M (1836) Vercelli 2008 0-1}) 5... e6 6. Be2 Bd6 7. Nbd2 O-O 8. c4 b6 9. d4 cxd4 10. Nxd4 Nxd4 11. Bxd4 e5 12. Bb2 Bb7 13. cxd5 Bxd5 14. Bf3 Re8 15. Bxd5 Nxd5 16. O-O Rc8 17. Nc4 Bb8 18. e4 Nf4 19. Ne3 {Hoose,H (1750) -Kozlovskaya,V (2169) Porto 2014 0-1 (52)}) (4... e6 5. g3 Nf6 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 b6 9. c4 Bb7 10. Nh4 Be7 11. e3 Qc7 12. a3 Rad8 13. Qc2 Rd7 14. Nhf3 h6 15. Rfe1 Rfd8 16. Nf1 a5 17. Rad1 Ba8 18. Ba1 Qb8 19. Qb1 {Ma,Y-Huynh Ngoc Thuy,L Huy 2009 1/2-1/2 (61)}) 5. Nbd2 e6 {0.22/27} (5... d4 $15 {-0.45/24 }) 6. Ne5 {-0.83/23 [#]} (6. e3 $11 {0.22/27 remains equal.}) 6... Nxe5 { -0.23/26} (6... Qf6 $1 $17 {-0.83/23} 7. Nec4 Qd8) 7. Bxe5 $11 Nf6 {0.05/27} ( 7... Ne7 $17 {-0.95/24}) 8. h4 {-1.06/26} (8. g3 $11 {0.05/27}) 8... Bd6 $17 9. Bb2 {-2.01/21} ({White should try} 9. Bxd6 $1 $15 {-0.70/26} Qxd6 10. g3) 9... O-O {-0.90/25} (9... Qc7 $19 {-2.01/21 and Black stays clearly on top.} 10. Qc1 Rd8) 10. Qc1 {-2.24/21} (10. g3 $17 {-0.90/25}) 10... e5 {-0.83/25} (10... Nh5 $19 {-2.24/21} 11. g3 f5) 11. f3 {-2.30/24} (11. g3 $17 {-0.83/25}) 11... Be6 $19 12. g4 $2 {-3.48/22 [#]} (12. e4 $17 {-1.60/25}) 12... e4 $1 13. dxe4 $2 { -5.75/24} (13. g5 {-2.85/25} Nh5 14. fxe4) 13... dxe4 {And now ...Bg3+ would win.} 14. Rg1 {-9.02/24} (14. Bxf6 $142 {-4.93/27} Bg3+ 15. Kd1 Qxf6 16. c3 exf3 17. exf3) 14... exf3 15. exf3 Re8 16. Kf2 {[#]} Bf4 {-9.05/27} (16... Nxg4+ $142 $1 {-23.20/27} 17. Rxg4 (17. fxg4 Qxh4+) 17... Bxg4) 17. Bc3 Nd5 18. Qb2 Be3+ {-10.72/26} (18... Qxh4+ $142 {-#5/31} 19. Rg3 Qxg3+ 20. Ke2 Nxc3+ 21. Qxc3 Bc4+ 22. Kd1 Qe1#) 19. Kg2 Nf4+ {-20.84/26} (19... Qxh4 $142 {-#3/27} 20. Be5 Bf4 21. Bxf4 Nxf4#) 20. Kg3 Bxg1 21. Kxf4 Qd6+ {Black mates.} 22. Kg5 Be3+ 23. Kh5 g6# {Accuracy: White = 7%, Black = 29%.} 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.06.27"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "84"] [EventDate "2015.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} c5 3. Bb2 { A06 Réti Opening: 1.Nf3 d5} Nc6 4. d3 (4. g3 f6 5. Bg2 e5 6. O-O Be6 7. d3 Bd6 8. Nbd2 Nge7 9. e3 b5 10. a4 {1/2-1/2 (10) Hoehn,M-Kuban,G (2260) Germany 1989} ) 4... Bf5 $146 (4... e5 5. Nxe5 Nxe5 6. Bxe5 Bd6 7. Bxg7 c4 8. dxc4 Be5 9. Bxe5 f6 10. Bb2 Nh6 11. Qxd5 Qb6 12. c5 Qb4+ 13. Bc3 Qf4 14. e3 Qh4 15. Bb5+ Ke7 16. Qd6+ Kf7 17. Bc4+ Kg7 18. Qe7+ Kg6 19. Bd3+ {Schaefer,J (930)-Seume,N (886) Rotenburg 2000 1-0}) (4... Nf6 5. e3 (5. Nbd2 Qc7 6. e3 e5 7. Be2 Bd6 8. h3 b6 9. Rc1 Bb7 10. O-O Rd8 11. a3 O-O 12. Nh2 e4 13. Ng4 Nxg4 14. Bxg4 Ne5 15. dxe4 dxe4 16. Bxe5 Bxe5 17. c4 f5 18. Be2 f4 19. Qc2 f3 {Tibaldeschi,A (1613)-Crepaldi,M (1836) Vercelli 2008 0-1}) 5... e6 6. Be2 Bd6 7. Nbd2 O-O 8. c4 b6 9. d4 cxd4 10. Nxd4 Nxd4 11. Bxd4 e5 12. Bb2 Bb7 13. cxd5 Bxd5 14. Bf3 Re8 15. Bxd5 Nxd5 16. O-O Rc8 17. Nc4 Bb8 18. e4 Nf4 19. Ne3 {Hoose,H (1750) -Kozlovskaya,V (2169) Porto 2014 0-1 (52)}) (4... e6 5. g3 Nf6 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 b6 9. c4 Bb7 10. Nh4 Be7 11. e3 Qc7 12. a3 Rad8 13. Qc2 Rd7 14. Nhf3 h6 15. Rfe1 Rfd8 16. Nf1 a5 17. Rad1 Ba8 18. Ba1 Qb8 19. Qb1 {Ma,Y-Huynh Ngoc Thuy,L Huy 2009 1/2-1/2 (61)}) 5. Nbd2 d4 {0.51/24} (5... Nf6 $15 { -0.60/25}) 6. e3 {-0.64/22} (6. e4 $14 {0.51/24} Bd7 7. c3) 6... e5 $15 7. exd4 {-0.83/24} (7. Be2 $11 {-0.11/23 keeps the balance.}) 7... cxd4 8. Be2 { -1.18/25} (8. g3 $15 {-0.50/26}) 8... Nf6 {-0.75/26} (8... Qd7 $142 {-1.18/25}) 9. O-O {-1.33/22} (9. a3 $142 {-0.75/26}) 9... Bd6 {-0.46/27} (9... Nd5 $1 $17 {-1.33/22} 10. Nc4 f6) 10. Nc4 Bc7 {-0.31/28} (10... Nd5 $17 {-1.09/25}) 11. Nh4 {-1.64/24} ({Better is} 11. c3 $15 {-0.31/28}) 11... Be6 $19 12. Bc1 $2 { -2.65/22} (12. Nf3 $17 {-1.11/26}) 12... b5 {-1.56/27} (12... Nd5 $19 {-2.65/ 22 And now ...Nc3 would win.} 13. Nf3 Nc3) 13. Nd2 $17 Nd5 {Strongly threatening ...Nc3.} 14. Nhf3 $2 {-3.19/22} (14. Ne4 {-1.63/25}) 14... Nc3 15. Qe1 O-O 16. Ne4 Ba5 {-1.05/28} (16... b4 $19 {-2.22/22 is more deadly.} 17. Nfd2 f5) 17. Bd2 b4 {-0.89/27} (17... Rc8 $142 {-1.49/23} 18. a3 Bd5) 18. a3 f5 19. Nc5 Bd5 {-0.34/26} (19... Qf6 $17 {-0.94/24}) 20. axb4 $2 {-1.85/24} (20. Nb7 $15 {-0.34/26} Qc7 21. Nxa5 Qxa5 22. axb4 Qxb4 23. Ra4 Nxe2+ 24. Qxe2) 20... Bxb4 $19 21. Na4 {-2.51/25} (21. Na6 $17 {-1.51/25 keeps fighting.} Nxe2+ 22. Qxe2) 21... Nxe2+ {-1.50/25} (21... Rc8 $19 {-2.51/25} 22. Bd1 (22. Nxc3 dxc3 23. Bc1 a5 $17) 22... Qd6 23. Nxc3 dxc3 24. Bxc3 Bxc3 25. Qxc3 Nd4) 22. Qxe2 $17 Bxd2 {-0.70/28} (22... Rc8 $19 {-2.02/25 White must now prevent ... Bxf3.} 23. Bxb4 (23. Nxe5 Re8 $17) 23... Nxb4) 23. Nxd2 $15 Qg5 24. f3 Rfe8 { -0.24/26} (24... Qe7 $17 {-1.07/23}) 25. Nc5 {-0.81/24} (25. Nc4 $11 {-0.24/26} ) 25... Rac8 {0.00/29} ({Black should play} 25... a5 $17 {-0.81/24}) 26. Ra4 $2 {-1.81/24 [#]} (26. Na6 $11 {0.00/29 and White is okay.}) 26... Rc7 $2 {0.00/28 } ({Black should try} 26... a5 $1 $19 {-1.81/24 ...Qe7 is the strong threat.} 27. Raa1 Nb4 28. Rxa5 Qe7) 27. Na6 {-0.58/21} (27. Nc4 $11 {0.00/28}) 27... Rce7 {-0.12/26} (27... Rb7 $1 $15 {-0.58/21 feels stronger.}) 28. Nb4 $11 Nxb4 29. Rxb4 Rc8 30. Nc4 e4 31. dxe4 $1 fxe4 32. f4 Qg6 $2 {2.24/22} (32... Qf6 $11 {-0.25/31 and Black stays safe.}) 33. Ne5 $18 Rxe5 34. fxe5 e3 $2 {6.97/24} ( 34... d3 {2.21/31} 35. cxd3 exd3) 35. Rxd4 Rxc2 {[#]} 36. Rxd5 $1 {Intending Rd8+ and mate.} h6 37. Qf3 e2 38. Re1 Qb6+ 39. Kh1 Qc6 40. Rd8+ Kh7 41. Qf5+ Qg6 {[#]} 42. Qxg6+ {9.22/27} (42. Rh8+ $142 $1 {#13/26} Kxh8 43. Qxg6 Rd2 44. Qe4 Kg8 45. e6 Rd1 46. Qxe2 Rxe1+ 47. Qxe1) 42... Kxg6 {Accuracy: White = 36%, Black = 15%.} 1-0

A06 Réti Opening 1.Nf3 d5 (1.Nf3 c5 2.b3 d5 3.Bb2 Nc6 4.e3 Bg4 5.Be2)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.09.19"] [Round "?"] [White "Vierjoki, Timo"] [Black "Tasha"] [Result "1-0"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "97"] [EventDate "2002.??.??"] 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. b3 d5 3. Bb2 Nc6 4. e3 Bg4 5. Be2 {A06 Réti Opening 1.Nf3 d5} c4 $146 {2.00/24 [#]} (5... e6 $11 { 0.16/26}) (5... Qc7 6. d4 cxd4 7. exd4 e6 8. O-O Bd6 9. h3 Bxf3 10. Bxf3 Nf6 11. c4 dxc4 12. bxc4 O-O 13. Nc3 Rfd8 14. Nb5 Qe7 15. Qe2 Bb8 16. d5 exd5 17. Qxe7 Nxe7 18. Bxf6 gxf6 19. cxd5 Be5 20. Rab1 {Nimzowitsch,A-Tartakower,S Copenhagen 1923 1-0 (45)}) (5... f6 6. d4 e6 7. O-O Bd6 8. Nbd2 Nge7 9. c4 O-O 10. Re1 Re8 11. a3 cxd4 12. exd4 Bf4 13. h3 Bh5 14. b4 dxc4 15. Bxc4 Nd5 16. Qb3 Bf7 17. Re4 Bxd2 18. Nxd2 a6 19. Rae1 b5 20. Bxd5 {Stein,B (2360) -Kuczynski,R (2470) Slupsk 1987 1/2-1/2}) (5... Bxf3 6. Bxf3 e6 (6... e5 7. O-O Nf6 8. d3 Be7 9. Nd2 O-O 10. a3 b5 11. c4 bxc4 12. bxc4 Rb8 13. Qc2 Re8 14. Rab1 Qd7 15. cxd5 Nxd5 16. Nc4 Bf6 17. Rfd1 Nb6 18. Nd2 Rec8 19. h3 Qe7 20. Ne4 Nd7 21. Nc3 {Solinski,M-Buchmann,N Germany 1993 1-0 (41)}) 7. d4 cxd4 8. Bxd4 Nxd4 9. Qxd4 Qa5+ 10. Kd1 Nf6 11. a3 Qc7 12. Qa4+ Nd7 13. Ra2 Bd6 14. e4 dxe4 15. Qxe4 Nc5 16. Qd4 Rd8 17. Qg4 O-O 18. Ke2 Qd7 19. Rd1 Qb5+ 20. Ke1 {Crahan, A (1610)-Derian,E (1870) Bretagne 2001 0-1 (58)}) 6. bxc4 $18 Nf6 {2.84/20} ( 6... dxc4 {1.74/27 might work better.} 7. Na3 (7. Bxc4 Nf6 $16) 7... c3) 7. Bxf6 {1.63/28} (7. cxd5 $142 {2.84/20} Qxd5 8. h3) 7... exf6 {2.07/22} (7... gxf6 $142 {1.63/28} 8. cxd5 Qxd5) 8. cxd5 {White is clearly better.} Nb4 $2 { 4.12/24} (8... Qxd5 {1.86/24} 9. Nc3 Qd7) 9. Nc3 {1.94/23} (9. c4 $142 {4.12/24 }) 9... Bc5 $2 {3.68/24} (9... Nxd5 {1.94/23 was called for.} 10. Nxd5 Qxd5) 10. d4 {1.92/24} (10. h3 $142 {3.68/24}) 10... Qa5 $2 {5.16/25} (10... Be7 { 1.92/24 is more resistant.} 11. Nd2 Bxe2 12. Nxe2 (12. Kxe2 Rc8 $14) 12... Qxd5 ) 11. O-O Bd6 {4.87/24} (11... Be7 {3.17/25 keeps fighting.} 12. Bb5+ Kd8) 12. Ne4 Qxd5 13. Nxd6+ Qxd6 14. c4 Na6 {4.25/25} (14... O-O $142 {2.74/26} 15. c5 Qd7) 15. Rb1 Qc7 16. c5 O-O 17. Bxa6 bxa6 18. h3 Bxh3 $2 {8.10/24} (18... Be6 { 3.36/30} 19. Qc2 Rfe8) 19. gxh3 Rfe8 20. Nd2 Rac8 21. Qf3 Qa5 22. Nc4 Qxa2 23. Nd6 Qc2 24. Nxc8 Rxc8 25. Qb7 {[#]} Qg6+ 26. Qg2 h5 27. Qxg6 fxg6 28. Ra1 g5 29. Rxa6 g4 30. hxg4 hxg4 31. Rxa7 f5 32. Rc1 {White mates.} Re8 33. c6 g3 34. Kg2 Rc8 35. Kxg3 g5 36. c7 f4+ 37. Kg2 Kf7 38. Rb7 Ke7 39. Rb8 Kd7 40. Rxc8 Kxc8 41. exf4 gxf4 {Endgame KR-KP} 42. Kf3 Kd7 43. Kxf4 {KR-K} Kc8 44. Ke5 Kb7 45. c8=Q+ Ka7 46. Rc7+ Kb6 47. Qb7+ Ka5 48. Rc1 Ka4 49. Ra1# {Accuracy: White = 42%, Black = 3%.} 1-0

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 d5 2.b3 Nf6 3.Bb2 e6 4.e3 c5 5.Bb5+ Bd7 6.Bxd7+)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.03.16"] [Round "?"] [White "Josh - Age 7"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "120"] [EventDate "3.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} Nf6 3. Bb2 e6 4. e3 c5 5. Bb5+ Bd7 6. Bxd7+ {-0.36/26 A06 Réti Opening: 1.Nf3 d5} ({White should play} 6. Be2 $14 {0.42/24}) 6... Nbxd7 {0.37/26} (6... Qxd7 $15 { -0.36/26} 7. Ne5 Qd8) 7. Ng5 $146 {-0.64/22} (7. O-O $14 {0.37/26} Bd6 (7... Be7 8. c4 O-O (8... Rc8 9. d3 O-O 10. Ne5 Nxe5 11. Bxe5 d4 12. e4 Nd7 13. Bg3 e5 14. f4 Bh4 15. Qg4 Bxg3 16. Qxg3 f6 17. Nd2 Qe7 18. Nf3 exf4 19. Qxf4 Ne5 20. Nxe5 fxe5 21. Qg4 Rxf1+ 22. Rxf1 Rf8 23. Rxf8+ {De Vigil,M-Bloch Nakkerud, R Buenos Aires 1939 1/2-1/2}) 9. Nc3 (9. d4 Rc8 10. cxd5 Nxd5 11. e4 N5f6 12. Nc3 cxd4 13. Qxd4 Nc5 14. Rfd1 Qxd4 15. Rxd4 Rfd8 16. Rad1 Rxd4 17. Rxd4 Rd8 18. e5 Rxd4 19. Nxd4 Nfd7 20. Nf3 Nd3 21. Ba1 N3xe5 22. Nxe5 Nxe5 23. Nb5 Nc6 { Habitzreiter,C (1815)-Monteiro,D (1467) Caioba 2018 1/2-1/2 (41)}) 9... dxc4 10. bxc4 Qc7 11. Qe2 Rac8 12. d3 Rfd8 13. Rfd1 Ne8 14. Rab1 Bf6 15. Nb5 Qb8 16. Bxf6 Ndxf6 17. Rb3 Nd6 18. Rdb1 Nxb5 19. Rxb5 b6 20. a4 Qd6 21. Ne1 Rb8 22. a5 {Andersson,U (2535)-Huguet,B (2255) Las Palmas 1972 1-0 (42)}) 8. d3 (8. c4 O-O 9. Nc3 Rc8 10. d3 a6 11. Qd2 Bb8 12. Rac1 Qc7 13. g3 Qc6 14. Qe2 b5 15. cxd5 exd5 16. Nh4 Rfe8 17. Nd1 Qe6 18. Re1 Qh3 19. Qf1 Qxf1+ 20. Kxf1 Ng4 21. Nf3 Nde5 22. Nxe5 Nxe5 {Honfi,K-Kluger,G Budapest 1968 1/2-1/2 (60)}) 8... Qc7 9. Nc3 a6 10. e4 O-O 11. Re1 d4 12. Ne2 Rad8 13. Bc1 h6 14. g3 Kh7 15. Bf4 e5 16. Bd2 b5 17. c4 Ng8 18. Nh4 Ne7 19. g4 g6 20. Ng3 Ng8 21. Ng2 f6 22. h4 { Tartakower,S-Nimzowitsch,A Dresden 1926 0-1 (58)}) 7... Be7 {-0.04/28} (7... Bd6 $15 {-0.64/22}) 8. Nxf7 $2 {-3.68/26 [#]} (8. Nf3 $11 {-0.04/28}) 8... Kxf7 $19 {Black is winning.} 9. Nc3 d4 10. Ne4 $2 {-7.56/22} (10. Ne2 {-3.40/28}) 10... dxe3 $2 {-2.77/26} (10... Nxe4 {-7.56/22} 11. exd4 cxd4 12. Bxd4 Ndf6) 11. fxe3 $2 {-8.27/23} (11. Ng5+ {-2.77/26} Kg8 12. dxe3) 11... Qc7 $2 { -2.69/27 [#]} (11... Nxe4 {-8.27/23} 12. Qf3+ Nef6) 12. Nxf6 {-3.88/25} (12. Ng5+ {-2.69/27 was necessary.} Kg8 13. Qf3) 12... Nxf6 13. Qf3 Qc6 14. Qxc6 bxc6 15. Rf1 Rhd8 16. g3 Rd7 17. Bxf6 gxf6 18. Rd1 Rg8 19. c3 h5 20. Rc1 Rgd8 21. b4 {-8.02/27} (21. Rf2 $142 {-4.48/31}) 21... Rxd2 22. Rb1 Rxa2 23. h3 Ra3 24. bxc5 Bxc5 25. Rf4 Rxc3 26. Kf1 Rxe3 27. g4 hxg4 28. hxg4 Rg3 29. Rb7+ Kg6 30. g5 Rxg5 31. Rf3 Rd1+ 32. Ke2 Rgg1 33. Rc3 Rc1 34. Rxc1 Rxc1 {Endgame KRB-KR } 35. Rb8 Rc3 {Black mates.} 36. Rg8+ Kf5 37. Rh8 Ke5 38. Kd2 Rb3 39. Kc2 Rb7 40. Rh5+ f5 41. Rh3 a5 42. Rh1 Ra7 43. Rh6 a4 44. Rh2 a3 45. Kb3 a2 $1 46. Rxa2 Rxa2 47. Kxa2 f4 48. Kb3 f3 49. Kc4 f2 50. Kxc5 f1=Q 51. Kxc6 Kf5 52. Kb6 e5 53. Kc5 Qd1 54. Kc6 e4 55. Kc5 e3 56. Kc4 e2 57. Kb5 e1=Q 58. Kc6 Qc3+ 59. Kb5 Qb1+ 60. Ka4 Qca1# {Accuracy: White = 1%, Black = 35%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 d5 2.b3 Nc6)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.09.16"] [Round "?"] [White "Mariah"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "23"] [EventDate "2001.07.05"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} Nc6 {A06 Réti Opening: 1.Nf3 d5} 3. a3 (3. Bb2 Bg4 4. d4 Bxf3 5. exf3 Qd6 6. g3 g5 7. h4 gxh4 8. Rxh4 Bg7 9. Qd3 O-O-O 10. Bh3+ e6 11. Ba3 Qd7 12. Nc3 h5 13. Na4 b6 14. Bf1 Nge7 15. O-O-O Nf5 16. Qa6+ Kb8 17. Bb5 Qc8 {Maryasin,B (2250)-Shereshevski,M (2460) Minsk 1978 1-0 (42)}) 3... Bf5 4. e3 e5 $146 (4... Nf6 5. Bb2 e6 6. h3 Bd6 7. Be2 Be4 8. d3 Bxf3 9. Bxf3 Be5 10. d4 Bd6 11. Nd2 Ne7 12. c4 c6 13. cxd5 cxd5 14. b4 O-O 15. O-O Ng6 16. Rc1 Rc8 17. Qb3 Qd7 18. Be2 e5 19. dxe5 { Gross,H (1473)-Gordziel,M (1290) Saarlouis Steinrausch 2005 1/2-1/2}) 5. Bb5 e4 {0.00/28} (5... Bd6 $15 {-0.46/24}) 6. Ne5 {-0.67/26} ({White should play} 6. Nd4 $1 $11 {0.00/28} Bd7 7. Nc3) 6... Bd7 {0.37/25} ({Black should try} 6... Qg5 $15 {-0.67/26} 7. Nxc6 a6 8. Nd4+ axb5 9. Nxf5 Qxf5) 7. Qh5 {-0.38/28} (7. Nxd7 $14 {0.37/25} Qxd7 8. Bb2) 7... g6 {0.36/26} (7... Nxe5 $15 {-0.38/28} 8. Qxe5+ Ne7 9. Bxd7+ Qxd7) 8. Bxc6 $4 {-3.44/23} (8. Nxc6 $14 {0.36/26} gxh5 9. Nxd8) 8... gxh5 $19 9. Bxd7+ Ke7 {Threatens to win with ...Bg7.} 10. a4 { intending Ba3+.} Nf6 $4 {#2/22 [#]} (10... c5 $19 {-3.84/27} 11. Bh3 Bg7) 11. Ba3+ c5 12. Bxc5# 1-0 [Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.03.16"] [Round "?"] [White "Les"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "102"] [EventDate "3.??.??"] 1. Nf3 d5 2. b3 {A06 Nimzo-Larsen Attack: Classical Variation} Nc6 {A06 Réti Opening: 1.Nf3 d5} 3. c3 $146 (3. Bb2 Nh6 (3... Bg4 4. d4 Bxf3 (4... e6 5. Nbd2 Nf6 6. h3 Bh5 7. g3 Ne4 8. a3 f5 9. Bg2 Be7 10. O-O O-O 11. c4 f4 12. g4 Bg6 13. b4 Bf6 14. Rc1 Nxd2 15. Qxd2 Be4 16. b5 Nb8 17. cxd5 exd5 18. Qxf4 Bxd4 19. Qd2 {Eliskases,E-Moses,J Rio de Janeiro 1944 1-0 (45)}) 5. exf3 Qd6 6. g3 g5 7. h4 gxh4 8. Rxh4 Bg7 9. Qd3 O-O-O 10. Bh3+ e6 11. Ba3 Qd7 12. Nc3 h5 13. Na4 b6 14. Bf1 Nge7 15. O-O-O Nf5 16. Qa6+ Kb8 17. Bb5 Qc8 18. Qxc8+ {Maryasin,B (2250)-Shereshevski,M (2460) Minsk 1978 1-0 (42)}) (3... e6 4. e3 Nf6 5. Bb5 Bd7 6. O-O Bd6 7. d3 e5 8. Bxc6 Bxc6 9. Nxe5 Bxe5 10. Bxe5 O-O 11. Nd2 Qe7 12. Nf3 Ng4 13. Bb2 Qd6 14. c4 dxc4 15. dxc4 Qxd1 16. Rfxd1 Bxf3 17. gxf3 Nh6 18. Rd7 {Badart,R-Pesut,D Flagstaff 1991 1-0 (47)}) 4. d4 f6 5. e3 e6 (5... Bg4 6. Be2 e6 7. Nbd2 Bb4 8. a3 Bxd2+ 9. Qxd2 O-O 10. O-O Qd7 11. c4 Ne7 12. Rfc1 c6 13. c5 Ng6 14. b4 Nf7 15. a4 e5 16. b5 Bxf3 17. bxc6 bxc6 18. Bxf3 Nh4 19. Be2 Ng5 20. Qd1 {Bluemich,M-Wolf,S Vienna 1926 0-1 (40)}) 6. Nbd2 Bb4 7. Bd3 O-O 8. O-O f5 9. c4 Qf6 10. Ne5 Bxd2 11. Qxd2 Nxe5 12. dxe5 Qh4 13. cxd5 exd5 14. f4 Be6 15. Rf3 c5 16. Rh3 Qe7 17. Rc1 Rac8 {Bluemich,M-Wolf,S Vienna 1926 1-0 (68) }) 3... e5 4. e3 Nf6 5. Bb5 e4 {-0.16/26} (5... Bd6 $1 $17 {-1.14/25} 6. d3 O-O 7. Bxc6 bxc6) 6. Bxc6+ $2 {-1.87/26 [#]} (6. Ne5 $1 $11 {-0.16/26 and White has nothing to worry.} a6 7. Nxc6) 6... bxc6 $19 7. Ne5 Qd6 $2 {-0.12/26} ({ Black should try} 7... Bd6 $1 $19 {-1.94/23} 8. Nxc6 Qd7) 8. Nxf7 $2 {-5.31/21} (8. d4 $11 {-0.12/26 and White is okay.}) 8... Kxf7 9. h3 Be7 10. d4 exd3 11. Qxd3 Re8 12. Nd2 Qe5 13. Nf3 Qf5 14. Qxf5 Bxf5 15. Nd4 Bd7 16. Nxc6 {-8.64/25} (16. Nf3 $142 {-5.12/30} a5 17. Ne5+ Ke6 18. Nxd7 Nxd7 19. Ke2) 16... Bxc6 17. Bb2 Rad8 18. O-O-O Bb7 19. c4 dxc4 20. Rxd8 Rxd8 21. Rd1 Rxd1+ 22. Kxd1 Bxg2 23. bxc4 Bxh3 24. f3 Bg2 25. Ke2 Bh3 26. Kd1 Bc5 27. Bd4 Bxd4 28. exd4 h5 29. Kc1 g5 30. Kd1 Nd7 {-68.84/30} (30... Bf1 $142 {-#25/29} 31. c5 Bc4 32. Kd2 Bxa2 33. d5 Bxd5 34. Kd3 h4 35. Ke3 h3 36. Kf2 h2 37. Kg2 Ng4 38. c6 Bxc6 39. Kf1 h1=Q+ 40. Ke2 Qxf3+ 41. Kd2 Ba4 42. Kc1 Qb3 43. Kd2 Qe3#) 31. Kd2 Nb6 { Black mates.} 32. Ke1 Nxc4 33. Ke2 Ke6 34. Kf2 Kd5 35. Kg3 Be6 36. a4 Kxd4 37. Kh2 Ke3 38. Kg2 Bd5 39. Kg3 Bxf3 40. a5 Bg4 41. Kg2 Nxa5 42. Kg1 Nc6 43. Kg2 a5 44. Kf1 a4 45. Kg1 a3 46. Kf1 a2 47. Kg2 a1=Q 48. Kh2 Qe5+ 49. Kh1 Kf3 50. Kg1 Qb2 51. Kh1 Qg2# 0-1

Looking at some of the blog's current chess statistics

I like to take a look at some of the blog's statistics from time to time and now it is time for some chess stats. At the time I am typing this, there are 925 different opening variations published and the amount of chess games appearing in the blog is 1200, out of which I have won 704 (58.67%), drawn 110 (9.17%) and lost 386 (32.17%). So far the most played opening variation is A00 Irregular Openings (1.e3 e5), which has 16 games in it. Out of those games I have won 12 (75%), drawn 2 (12.5%) and lost 2 (12.5%). I have now published all my games between the ECO codes A00 and A05, as far as I know anyway. With the current pace of publishing the games, it will still take a very long time to get all the 9600+ chess games I have in my database published.

A06 Réti Opening: 1.Nf3 d5 (1.e3 d5 2.Nf3 g6)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.31"] [Round "?"] [White "Miranda"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "124"] [EventDate "2001.07.05"] 1. e3 {A00 Van't Kruijs Opening} d5 2. Nf3 g6 {A06 Réti Opening: 1.Nf3 d5} 3. Be2 $146 (3. d4 Bg7 4. c4 e6 5. Nc3 Ne7 6. Be2 b6 7. O-O Nd7 8. b3 Bb7 9. Bb2 O-O 10. Rc1 a6 11. Nb1 c5 12. Nbd2 Rc8 13. Ne5 cxd4 14. exd4 Nf5 15. Ndf3 dxc4 16. bxc4 Nxe5 17. dxe5 Qc7 {Albin,A-Hodges,A New York 1893 0-1 (81)}) (3. c4 Nf6 (3... e6 4. Nc3 Bg7 5. b3 Ne7 6. Bb2 O-O 7. Be2 c5 8. d4 cxd4 9. Nxd4 Nbc6 10. Nxc6 bxc6 11. O-O Rb8 12. Qc2 e5 13. Rad1 Qc7 14. Ba3 d4 15. exd4 exd4 16. Na4 Re8 17. Bc5 Bf5 18. Bd3 {Bergman,C-Donnelly,H San Francisco 1949 0-1 (46)}) (3... c6 4. Nc3 Bg7 5. cxd5 cxd5 6. Qa4+ Bd7 7. Qb3 Bc6 8. d4 e6 9. Ne5 Bxe5 10. dxe5 Nd7 11. f4 Ne7 12. Bd2 Nf5 13. O-O-O Nc5 14. Qb4 Qe7 15. Nb5 Ne4 16. Qxe7+ Kxe7 17. Re1 Rhc8 18. Bb4+ {Barcza,G-Tarnowski,A Debrecen 1961 0-1 (51)}) 4. Qa4+ Nbd7 5. Nc3 c6 6. cxd5 Nxd5 7. Qb3 Bg7 8. Nxd5 Nc5 9. Qc2 Qxd5 10. d4 Ne4 11. Bd3 Bf5 12. O-O Bf6 13. b3 Nc5 14. Bxf5 gxf5 15. Bb2 Rg8 16. Ne1 Ne6 17. f4 c5 {Ehlvest,J (2600)-Ganguly,S (2531) Hyderabad 2002 1/2-1/2 (38)}) (3. g3 Bg7 4. Bg2 Nf6 5. d4 Bg4 6. Nbd2 Nbd7 7. c4 c6 8. Qc2 Rc8 9. O-O Bf5 10. Qb3 b6 11. Re1 O-O 12. Ne5 Nxe5 13. dxe5 Ne4 14. Nxe4 Bxe4 15. f4 Bxg2 16. Kxg2 dxc4 17. Qxc4 Qd5+ {Gantes Leon,M (2044)-Almenar Montaner,V Valencia 2003 0-1 (33)}) 3... Bg7 4. c3 Nf6 5. Qa4+ Bd7 {0.11/27} (5... Nbd7 $15 {-0.61/22}) 6. Qa5 {-0.57/24} (6. Qd1 $11 {0.11/27}) 6... Nc6 7. Qc5 {-1.73/23} (7. Qa3 $15 { -0.52/28}) 7... O-O {-0.55/27} (7... e5 $19 {-1.73/23 And now ...Bf8 would win. } 8. Qa3 e4) 8. Bb5 {-1.81/26} (8. d4 $15 {-0.55/27}) 8... Ne4 $2 {0.00/27 [#]} (8... a5 $19 {-1.81/26 Threatens to win with ...b6.} 9. d4 b6) 9. Qxd5 $11 Nf6 {0.50/26} (9... Nd6 $11 {0.00/27} 10. Be2 e5) 10. Qc5 {-0.15/27} (10. Qb3 $1 $14 {0.50/26}) 10... Re8 11. Bc4 {-1.31/25} (11. O-O $11 {0.00/32 keeps the balance.}) 11... e6 {0.00/29} ({Better is} 11... Bf8 $1 $17 {-1.31/25} 12. Qg5 e5) 12. Ng5 $2 {-3.05/25 [#]} (12. O-O $11 {0.00/29 and White is okay.}) 12... Bf8 $19 13. Qb5 {-4.44/24} (13. Nxf7 $142 {-2.83/28} Kxf7 14. Qg5) 13... Rb8 $2 {-0.63/26} ({Black should play} 13... Nb4 $19 {-4.44/24} 14. Qxb4 Bxb4 15. cxb4 b5) 14. Nf3 $2 {-3.32/27} (14. Bb3 $1 $15 {-0.63/26}) 14... Ne5 $4 {3.77/21} ( 14... Nb4 $19 {-3.32/27 and all is fine.} 15. Qxb4 Bxb4 16. cxb4 Bc6) 15. Qxe5 $18 Bg7 16. Na3 Bc6 17. Ng5 $2 {0.54/26} (17. d4 $18 {4.44/23}) 17... Qe7 $2 { 2.99/23} (17... Nh5 $1 $14 {0.54/26} 18. Qc5 Bf8 19. Nxf7 Kxf7 20. Qxa7 Bxg2) 18. Nxe6 {1.61/28} (18. Nf3 $142 {2.99/23}) 18... fxe6 19. Qg3 {0.74/27} (19. Qg5 $1 $18 {1.74/23 is more deadly.}) 19... b5 $16 20. Nxb5 $2 {-1.77/25} (20. Bb3 $16 {1.18/25 keeps the pressure on.}) 20... Bxb5 $19 21. Qf3 $2 {-8.08/23} (21. Bxb5 $17 {-1.47/26} Rxb5 22. O-O) 21... Bxc4 22. Qf4 Bd5 23. f3 Nh5 24. Qg4 e5 {White must now prevent ...Nf4!} 25. Qa4 Rb7 26. e4 Bf7 27. d3 Nf4 28. Bxf4 exf4 29. Rb1 Qd6 30. O-O Qxd3 31. Rbd1 Qb5 32. Qxb5 Rxb5 33. Rd7 Rb7 34. e5 Bxe5 35. Kh1 Rxb2 36. Rg1 Rxa2 37. h3 Rc2 {Black mates.} 38. Rgd1 Bd6 39. h4 Rxc3 40. Ra1 Be6 41. Rb1 Bxd7 42. Kh2 Kf7 43. Rd1 h6 44. Kh1 g5 45. Kh2 gxh4 46. Ra1 Bc5 47. Rd1 Rd8 48. Re1 Re8 49. Rd1 Bf5 50. Rd5 Ke6 51. Rd1 Be3 52. Ra1 c5 53. Re1 Ra3 54. Rd1 c4 55. Re1 c3 56. Re2 c2 57. Re1 c1=Q 58. Rxc1 Bxc1 59. Kg1 Be3+ 60. Kh2 Ra1 61. g3 hxg3+ 62. Kg2 Rg1# {Accuracy: White = 10%, Black = 17%.} 0-1

A06 Réti Opening: 1.Nf3 d5 (1.Nf3 c5 2.d3 d5)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.12"] [Round "?"] [White "Vierjoki, Timo"] [Black "Lacey"] [Result "0-1"] [ECO "A06"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "114"] [EventDate "2001.07.05"] 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. d3 d5 {A06 Réti Opening: 1.Nf3 d5} 3. c4 (3. Nbd2 Nc6 4. e4 d4 5. Be2 e5 6. O-O Bd6 7. c3 Nge7 8. cxd4 cxd4 9. Nc4 Bc7 10. Bd2 b5 11. Na3 a6 12. Rc1 O-O 13. Nh4 Be6 14. Qc2 Rc8 15. Qb1 Qd7 16. Bd1 Bd6 17. Nc2 f6 {Janoschka,A (2220)-Wendt,R (2290) Germany 1995 1-0 (54)}) 3... Nc6 $146 (3... e6 4. g3 b6 5. Bg2 Bb7 6. O-O Nf6 7. Na3 g6 8. Bd2 Bg7 9. Rb1 O-O 10. b4 Nbd7 11. bxc5 Nxc5 12. Bb4 Bc6 13. d4 Na4 14. Bxf8 Nc3 15. Qd3 Nxb1 16. Bxg7 Nxa3 17. Bxf6 Qxf6 18. cxd5 {Swicarz,M (2145)-Bylica,M (2000) Augustow 1996 1-0 (49)}) (3... Nf6 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 g6 7. Qb3 Bg7 8. Bd2 O-O 9. Nc3 Nb6 10. Ne4 Be6 11. Qc2 Rc8 12. Nc3 c4 13. dxc4 Bf5 14. e4 Nb4 15. Qb1 Nd3+ 16. Ke2 Be6 17. b3 Nxc4 18. Qxd3 { Lehotzky,A-Finegold,R East Lansing 1995 0-1 (67)}) 4. cxd5 Qxd5 5. Nc3 Qd6 { 0.70/25} ({Better is} 5... Qd7 $11 {0.00/29}) 6. Ne4 {0.05/26} (6. g3 $1 $14 { 0.70/25}) 6... Qd5 7. Be3 e5 {0.73/22} (7... Nf6 $11 {0.10/30 remains equal.}) 8. Qc2 {-0.42/26} (8. g3 $16 {0.73/22}) 8... Nf6 {0.00/29} (8... Nd4 $1 $15 { -0.42/26 is superior.} 9. Qd1 Nf6) 9. Bxc5 $2 {-2.60/25 [#]} (9. Nxc5 $11 { 0.00/29 and White has nothing to worry.} Ng4 10. Ne4) 9... Nxe4 $19 10. dxe4 Qxc5 11. Qxc5 Bxc5 12. e3 Bb4+ 13. Nd2 O-O 14. a3 Bxd2+ 15. Kxd2 Rd8+ 16. Ke1 Be6 17. Rd1 Rxd1+ 18. Kxd1 Rd8+ 19. Ke2 Bg4+ 20. f3 Be6 21. g3 Bc4+ 22. Kf2 Rd2+ 23. Kg1 Bxf1 24. Kxf1 Rxb2 {Endgame KRN-KR} 25. Rg1 Rxh2 26. Rg2 Rxg2 27. Kxg2 {KN-KP} Kf8 28. f4 f6 29. fxe5 Nxe5 {Black mates.} 30. Kh3 Nc4 31. a4 Nxe3 {KN-K3P} 32. g4 Ke7 33. Kh4 Kd6 34. g5 Ke5 35. Kh5 fxg5 36. Kxg5 Kxe4 {KN-KP} 37. Kh4 Kf4 38. Kh5 g5 39. Kh6 g4 40. Kxh7 g3 41. Kg6 Ke4 42. Kf6 b6 43. Ke6 a6 44. Kd6 Kf3 45. Kc6 Nc4 46. Kb7 b5 47. axb5 axb5 48. Ka6 b4 49. Kb5 b3 50. Kxc4 {KP-KP} b2 51. Kc3 b1=Q 52. Kd4 Qd1+ 53. Ke5 Qa1+ 54. Kd5 g2 55. Kc4 Qa2+ 56. Kc3 g1=Q 57. Kd3 Qe3# {Accuracy: White = 26%, Black = 65%.} 0-1 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.06.05"] [Round "?"] [White "vuduman"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1382"] [BlackElo "1599"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "90"] [EventDate "2011.??.??"] 1. Nf3 d5 2. d3 {A06 Zukertort Opening: Old Indian Attack} c5 {A06 Réti Opening: 1.Nf3 d5} 3. c3 Nc6 4. Qc2 (4. a3 Nf6 5. b4 e6 6. g3 Bd6 7. Bg2 O-O 8. O-O a5 9. b5 Ne7 10. Nbd2 b6 11. e4 Bc7 12. e5 Nd7 13. d4 Nf5 14. g4 Nh4 15. Nxh4 Qxh4 16. h3 f5 17. Nf3 Qe7 18. Bg5 Qf7 {Certic,B (2403)-Zmijanac,D (2265) Belgrade 2005 1-0 (36)}) 4... e5 5. e4 Nf6 $146 {-0.55/25} (5... d4 $17 { -1.24/22} 6. Be2 Be7 (6... Bd6 7. Bg5 Nge7 8. Na3 O-O 9. O-O h6 10. Bh4 Kh8 11. Rac1 Qe8 12. Nb5 Bb8 13. cxd4 cxd4 14. Qc5 f6 15. Nd6 Bxd6 16. Qxd6 Qd7 17. Qa3 Ng6 18. Bg3 Qe7 19. Qxe7 Ngxe7 20. h4 Be6 21. a3 {Szollos,O (2150)-Barczi,T (2125) Slovakia 2006 1/2-1/2 (53)}) 7. a4 Be6 8. Na3 a6 9. Nc4 f6 10. Nh4 Rb8 11. Nf5 Bf8 12. O-O g6 13. Ng3 Bh6 14. f4 Bxc4 15. dxc4 Qd6 16. f5 Rd8 17. Rf3 Bf4 18. Bf1 Nge7 19. Bd3 g5 20. Nh5 Kf7 {Lizarazo Arango,J (2031)-Cadena Montoya,G (2177) Medellin 2015 0-1 (60)}) 6. h3 {-1.10/24} (6. Nbd2 $15 { -0.55/25}) 6... Be7 7. Be2 Be6 {-0.62/26} (7... h6 $17 {-1.03/23}) 8. O-O { -1.09/21} (8. Bg5 $15 {-0.62/26 is more appropriate.}) 8... O-O {-0.50/25} ( 8... h6 $17 {-1.09/21}) 9. a3 {-1.08/23} (9. Bg5 $15 {-0.50/25}) 9... Nh5 $2 { 0.71/27 [#]} (9... a6 $17 {-1.08/23 and life is bright.}) 10. Re1 {-0.54/26} ({ White should play} 10. Nxe5 $1 $16 {0.71/27} Nxe5 11. Bxh5) 10... Nf4 {0.48/27} (10... Nf6 $15 {-0.54/26}) 11. Bxf4 $1 $14 exf4 12. Bf1 {-0.53/24} (12. Nbd2 $11 {0.28/27}) 12... d4 {-0.08/28} (12... Qc7 $15 {-0.53/24}) 13. e5 {-1.02/25} (13. cxd4 $11 {-0.08/28 keeps the balance.} Nxd4 14. Nxd4 Qxd4 15. Nd2) 13... Qc7 {0.42/27} (13... h5 $17 {-1.02/25} 14. cxd4 cxd4) 14. Nbd2 {-0.68/24} (14. cxd4 $14 {0.42/27} Qb6 15. dxc5 Bxc5 16. b4) 14... dxc3 {-0.22/27} (14... Rfd8 $15 {-0.68/24}) 15. bxc3 $11 b6 $2 {1.00/26} (15... Rfd8 $15 {-0.70/28 keeps the upper hand.}) 16. Ne4 $2 {-1.42/24} (16. d4 $16 {1.00/26 keeps the pressure on.}) 16... Nxe5 $17 17. Nxe5 Qxe5 18. f3 $2 {-3.04/23} (18. Rad1 $17 {-1.37/27}) 18... Qh5 19. Nf2 Qg6 20. Ng4 h5 21. Ne5 Qg5 22. Kh1 Bf6 23. d4 Rac8 24. Qe4 cxd4 25. cxd4 Bf5 26. Qe2 {-2.67/23} (26. Qb7 {-1.79/29 keeps fighting.}) 26... Rfd8 27. Rad1 Rd5 $2 {-0.71/27} (27... Qg3 $19 {-3.46/25} 28. Qa2 Rc7) 28. Qb2 $2 {-2.79/28} (28. Qa2 $17 {-0.71/27 was the only defense.} Be6 29. Bc4) 28... Rcd8 $2 {0.17/26} ({Black should try} 28... Rc7 $19 { -2.79/28 And now ...g6 would win.} 29. a4 g6) 29. Nc6 $2 {-2.99/24} (29. Bc4 $11 {0.17/26 and White stays safe.}) 29... R8d7 {-1.78/27} (29... R8d6 $142 { -2.99/24} 30. Qc1 Be6 31. Nxa7 Rxd4 32. Rxd4 Rxd4) 30. Re8+ Kh7 31. Bd3 { -3.20/27} (31. Qb3 $142 {-2.16/30}) 31... Bxd3 32. Rxd3 Qf5 33. Qe2 $2 { -5.08/26} (33. Re4 {-2.43/29}) 33... R5d6 {-2.29/31} (33... Rc7 $142 {-5.08/26} 34. Nb4 Rxd4) 34. d5 $2 {-4.43/29 [#]} (34. Ne5 {-2.29/31 was worth a try.} Rxd4 35. Nxd7 Qxd3 36. Nxf6+ gxf6 37. Qe7 Qb1+ 38. Kh2) 34... Rxc6 $1 $19 35. Qe4 {-8.60/27} (35. dxc6 $142 {-4.22/29} Rxd3 36. Qc2) 35... Qxe4 36. fxe4 Rc5 37. e5 Bg5 38. d6 Kg6 39. Kg1 Kf5 40. Kf1 Rxe5 41. g4+ hxg4 42. hxg4+ Kf6 43. Rxe5 Kxe5 44. Ke2 Rxd6 45. Rxd6 Kxd6 {Accuracy: White = 16%, Black = 14%.} 0-1 [Event "ICC 10 0 u"] [Site "Internet Chess Club"] [Date "2015.02.23"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A06"] [WhiteElo "1549"] [BlackElo "1558"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "48"] [EventDate "2015.??.??"] 1. Nf3 d5 2. d3 {A06 Zukertort Opening: Old Indian Attack} c5 {A06 Réti Opening: 1.Nf3 d5} 3. Nbd2 Nc6 4. e4 e5 5. exd5 Qxd5 6. Be2 {-0.82/20} (6. g3 $11 {0.00/25}) 6... Nf6 {0.33/23} (6... Nge7 $17 {-0.82/20}) 7. O-O {-0.29/26} ({Better is} 7. b3 $14 {0.33/23}) 7... Be7 {0.49/24} (7... Bd6 $11 {-0.29/26}) 8. Re1 $146 {0.01/28} (8. Nc4 $14 {0.49/24 feels stronger.}) (8. Ng5 Nd4 9. Nge4 O-O 10. Bf3 Nxf3+ 11. Qxf3 Qd8 12. Nc4 Nxe4 13. Qxe4 f6 14. Be3 Rb8 15. a4 b6 16. f4 Bb7 17. Qf5 Qd5 18. Rf3 e4 19. Qxe4 Qd7 20. Ne5 fxe5 21. Qxe5 Bxf3 22. gxf3 Bf6 {Ehab,M-Karem,B (2185) Beirut 2000 0-1}) 8... O-O $11 9. Bf1 { -0.27/27} (9. Nc4 $16 {0.81/22}) 9... b5 {0.76/24} (9... Be6 $11 {-0.27/27}) 10. Ne4 {-0.23/27} (10. a4 $16 {0.76/24}) 10... Nxe4 {0.54/28} (10... Rb8 $11 { -0.23/27}) 11. Rxe4 $2 {-1.09/23} (11. dxe4 $14 {0.54/28 was forced to keep a grip.} Qxd1 12. Rxd1) 11... Bf5 {-0.66/27} (11... f6 $17 {-1.09/23} 12. Re1 Rb8 ) 12. Re1 $15 Bf6 {-0.15/27} (12... Rad8 $17 {-1.14/22} 13. a4 b4) 13. Nd2 { -0.73/23} (13. Be3 $11 {-0.15/27}) 13... Rad8 $36 {Black fights for an advantage.} 14. Ne4 $2 {-5.83/22} (14. h3 $15 {-0.37/28}) 14... Bxe4 $1 $19 { Black is clearly winning.} 15. Rxe4 {[#]} Qxe4 $1 16. dxe4 Rxd1 17. f3 {[#]} Bg5 $1 18. g3 (18. Bxg5 Rxa1) 18... Rxc1 19. Rxc1 Bxc1 20. b3 Rd8 21. Bxb5 Nd4 22. c4 Nxb5 23. cxb5 Rd2 24. a4 Rb2 {Accuracy: White = 2%, Black = 24%.} 0-1 [Event "Challenge 28945797"] [Site "online arena"] [Date "2015.04.14"] [Round "1"] [White "electa"] [Black "Vierjoki, Timo"] [Result "1/2-1/2"] [ECO "A06"] [WhiteElo "1574"] [BlackElo "1690"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "43"] [EventDate "2015.??.??"] {[%evp 9,43,-59,-37,-41,-38,-44,-35,-35,-28,-52,-60,-114,-62,-61,-63,-96,-34, -31,-37,-88,0,-20,-19,-19,-17,-10,-25,-26,-16,-15,-21,-20,-15,-16,-19,-25]} 1. Nf3 d5 2. d3 {A06 Zukertort Opening: Old Indian Attack} c5 {A06 Réti Opening: 1.Nf3 d5} 3. e4 dxe4 4. Ng5 $146 (4. dxe4 Qxd1+ 5. Kxd1 b6 (5... Bg4 6. Be3 Nd7 7. Nbd2 O-O-O (7... Ngf6 8. Ke1 e6 9. Bd3 O-O-O 10. a4 Bd6 11. Nc4 Bc7 12. Nfd2 Bh5 13. f3 Rhe8 14. Ra3 Nd5 15. exd5 exd5 16. Kf2 dxc4 17. Nxc4 h6 18. Bf5 Bg6 19. Bxg6 fxg6 20. Rd3 Nb6 21. Nxb6+ Bxb6 22. Rxd8+ {Van der Berg,A-Comp Gideon II The Hague 1993 1-0 (40)}) 8. c3 e6 9. Kc2 h6 10. a4 Ngf6 11. Ne1 Bh5 12. f3 Be7 13. Nc4 g5 14. h3 Bg6 15. Nd3 Bh7 16. Nde5 Nxe5 17. Nxe5 Nd5 18. Bd2 Rhf8 19. h4 Bd6 20. Nc4 {Galmandakh,B (2215) -Wilen,E (2035) Gibraltar 2017 1-0}) ( 5... Nc6 6. c3 Bg4 7. Be3 e6 8. Nbd2 O-O-O 9. Kc2 Nf6 10. Bb5 Nb8 11. Ne5 Bh5 12. f3 a6 13. Be2 Nbd7 14. Nec4 b5 15. Na5 Nb6 16. h4 h6 17. g4 Bg6 18. Nc6 Re8 19. Ne5 Bh7 20. Nxf7 {Smirnov,V (2319) -Christensen,J Sydney 2007 1-0}) 6. Bb5+ Bd7 7. Nc3 a6 8. Bxd7+ Nxd7 9. Ke2 e6 10. Rd1 Ne7 11. Bf4 Nc6 12. Rd2 Be7 13. Rad1 Ra7 14. e5 h6 15. g4 Rb7 16. Ne4 Kd8 17. g5 Kc8 18. gxh6 gxh6 {Vorotnikov, V (2430)-Shvedchikov,A (2395) Moscow 1991 1/2-1/2 (34)}) 4... Nf6 5. Nc3 exd3 6. Bxd3 {[#] Black must now prevent Nxf7!} Nc6 7. O-O {Black should prevent Bc4.} Bg4 8. Qe1 {Black is slightly better.} e6 9. h3 {[%tqu "En","","","", "g4h5","",10]} Bh5 $1 10. Bf4 {-1.14/23} (10. Nge4 $15 {-0.60/26}) 10... Bd6 { -0.62/27} (10... Be7 $17 {-1.14/23} 11. Qe3 O-O) 11. Bxd6 Qxd6 12. Nge4 Qe7 { -0.34/27} (12... Nxe4 $17 {-0.96/25} 13. Nxe4 Qd4) 13. Nxf6+ Qxf6 14. Ne4 { -0.88/23} (14. Nd5 $15 {-0.37/26} Qd8 15. Nf4) {[%tqu "En","","","", "f6d4","", 10]} 14... Qe7 {0.00/30} (14... Qd4 $1 $17 {-0.88/23}) 15. Qc3 O-O 16. Qxc5 Bg6 17. Qxe7 Nxe7 18. Nc5 b6 19. Bxg6 {The position is equal.} Nxg6 20. Nb3 Rac8 21. c3 Rfd8 22. Rad1 {Accuracy: White = 56%, Black = 47%.} 1/2-1/2 [Event "Rated Bullet game"] [Site "https://lichess.org/U0DVd0eW"] [Date "2019.10.24"] [Round "?"] [White "gael72"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A06"] [WhiteElo "1914"] [BlackElo "1841"] [Annotator "Tactical Analysis 2.10 (5s), TV"] [PlyCount "61"] [EventDate "2019.??.??"] 1. d3 (1. Nf3 c5 2. d3 {0-1 (23) Racki,B (1860)-Deur,Z (2136) Topusko 2011}) 1... d5 2. Nf3 {A06 Zukertort Opening: Old Indian Attack} c5 {A06 Réti Opening: 1.Nf3 d5} 3. Nbd2 (3. c3 Nc6 4. Nbd2 Nf6 (4... e5) 5. e4 {0-1 (23) Racki,B (1860)-Deur,Z (2136) Topusko 2011}) 3... Nc6 4. e4 e5 5. c3 Nf6 6. Qc2 {-0.98/20} (6. exd5 $15 {-0.39/22} Nxd5 7. g3) 6... Be7 7. Be2 O-O 8. h3 $146 { -1.29/17} (8. O-O $15 {-0.55/23}) (8. Nf1 Re8 (8... d4 9. Ng3 Ne8 10. O-O Nd6 11. Re1 Be6 12. Bd2 Rc8 13. Qc1 dxc3 14. bxc3 f6 15. Nh4 c4 16. dxc4 Nxc4 17. Bxc4 Bxc4 18. Nhf5 Be6 19. Nxe7+ Nxe7 20. Re3 Rf7 21. Qb2 Nc6 22. Be1 Na5 23. Qe2 {Racki,B (1930)-Smokina,K (2137) Rijeka 2013 0-1 (48)}) 9. Ng3 g6 10. O-O a6 11. Bg5 Be6 12. Rfe1 Rc8 13. Bf1 d4 14. c4 b5 15. Bxf6 Bxf6 16. cxb5 Nb4 17. Qa4 axb5 18. Qxb5 Nc2 19. b3 Nxe1 20. Nxe1 Be7 21. Nc2 Rb8 22. Qa6 Ra8 { Racki,B (1860)-Deur,Z (2136) Topusko 2011 0-1}) 8... Be6 {-0.60/21} (8... Nh5 $1 $17 {-1.29/17} 9. exd5 Qxd5) 9. Nf1 {-1.12/21} ({White should play} 9. Ng5 $15 {-0.60/21}) 9... h6 {-0.62/21} (9... Ne8 $17 {-1.12/21}) 10. g4 {-1.25/20} (10. Ng3 $15 {-0.62/21}) 10... Nh7 {-0.67/20} (10... a5 $17 {-1.25/20}) 11. Rg1 {-1.52/20} (11. Ne3 $15 {-0.67/20}) 11... Ng5 {-0.57/24} (11... d4 $17 { -1.52/20} 12. Ng3 Ng5 13. Bxg5 Bxg5) 12. Nxg5 {-1.33/23} (12. Bxg5 $15 { -0.57/24} Bxg5 13. exd5 Bxd5 14. Nxg5 hxg5 15. Qd2) 12... Bxg5 $17 ({Much less strong is} 12... hxg5 13. exd5 Qxd5 14. Ne3 $15) 13. Ng3 {-1.71/18} (13. Bxg5 $15 {-0.70/25} Qxg5 14. exd5 Bxd5 15. Nd2) 13... d4 {-1.07/22} (13... Ne7 $19 { -1.71/18} 14. Bxg5 hxg5) 14. c4 {-2.52/20} (14. Nf5 $17 {-1.07/22}) 14... Nb4 { -1.15/23} (14... Ne7 $19 {-2.52/20} 15. Bxg5 hxg5) 15. Qd1 Bd7 {-0.88/25} ( 15... Kh7 $142 {-1.49/19} 16. Bxg5 hxg5) 16. a3 {-2.09/19} (16. Bxg5 $17 { -0.88/25} hxg5 17. Qd2) 16... Nc6 {-1.11/22} (16... Na6 $1 $19 {-2.09/19} 17. Bxg5 hxg5) 17. Nf5 {-1.53/23} ({White should try} 17. Bxg5 {-1.11/22} hxg5 18. Rb1) 17... g6 18. Nxh6+ {-2.63/23} (18. h4 $17 {-1.25/25} Bxc1 19. Qxc1 gxf5 20. Qxh6 fxe4 21. g5 Qa5+ 22. b4 Nxb4 23. g6 Nd5+ 24. Kf1 Bh3+ 25. Rg2 Bxg2+ 26. Kg1) 18... Kh7 $1 $19 19. Nf5 gxf5 20. gxf5 Rg8 21. h4 $2 {-4.21/22 [#]} ( 21. Bxg5 {-2.32/23} Rxg5 22. Bg4) 21... Bxh4 $2 {-1.66/22} (21... Bxc1 { -4.21/22} 22. Rxg8 Qxg8 23. Rxc1 Qg1+ 24. Bf1 Rg8) 22. Rh1 {Threatening Bf1.} Kg7 ({Worse is} 22... Qf6 23. Bf1 $16) 23. Qd2 $2 {-3.63/20} (23. Bh5 $17 { -1.29/23} Bg5 24. Rg1) 23... Kf8 $4 {2.10/23} (23... Rh8 $19 {-3.63/20 and all is fine.} 24. Kf1 a5) 24. Qh6+ $18 Ke8 $2 {3.60/21} (24... Ke7 {1.96/24 is a better defense.}) 25. Rxh4 Qa5+ $2 {5.92/21} (25... f6 {3.18/24 was necessary.} 26. b4 Ke7 27. bxc5 Rg1+ 28. Bf1 Qg8 29. Qh7+ Rg7 30. Qxg8 Raxg8) 26. Bd2 Qc7 27. Qh7 $2 {2.45/20} (27. Bg5 {7.36/22 aiming for Qg7!} Bc8 28. O-O-O) 27... Ke7 $2 {7.19/21} (27... Rg1+ {2.45/20} 28. Bf1 Ke7) 28. Rh5 $2 {1.35/22} (28. Bh5 $18 {7.19/21 and White stays clearly on top.} Qc8 29. Bxf7) 28... Rh8 $2 { 7.62/23} (28... Rg1+ $16 {1.35/22} 29. Bf1 Rag8) 29. Bg5+ Kd6 30. Qxf7 {[#]} Rxh5 31. Qd5# {Accuracy: White = 16%, Black = 17%.} 1-0

A05 Réti Opening: 1.Nf3 Nf6 (1.g3 Nf6 2.Bg2 d5 3.b3 g6 4.Bb2 Bg7 5.Nf3 O-O 6.O-O c5 7.d3 Nc6 8.Nbd2)

[Event "ICC 15 0"] [Site "Internet Chess Club"] [Date "2017.07.27"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "0-1"] [ECO "A05"] [WhiteElo "1856"] [BlackElo "1691"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "48"] [EventDate "2017.??.??"] 1. g3 Nf6 {A00 Hungarian Opening: Indian Defense} 2. Bg2 d5 3. b3 g6 4. Bb2 Bg7 5. Nf3 O-O 6. O-O c5 7. d3 Nc6 8. Nbd2 {-0.85/23 A05 Réti Opening: 1.Nf3 Nf6} (8. Ne5 $11 {0.29/24}) 8... h6 {0.37/22} (8... Qc7 $17 {-0.85/23}) (8... b6 9. e3 Bb7 10. Qe2 Qc7 11. c4 Rad8 12. Rac1 e5 13. cxd5 Nxd5 14. a3 Qe7 15. Rfd1 Rfe8 16. Rc2 h6 17. Rdc1 Na5 18. e4 Nf6 19. Nxe5 Qd6 20. Ndc4 Nxc4 21. Nxc4 Qxd3 22. Qxd3 Rxd3 23. e5 {Zoler,D (2455)-Tseitlin,M (2545) Tel Aviv 1996 1-0 (39)}) 9. e3 $146 {-0.37/25} (9. Ne5 $14 {0.37/22}) (9. c4 d4 10. a3 a5 11. Ne1 e5 12. Nc2 Bf5 13. Rb1 Re8 14. f3 Qe7 15. Bc1 Nh7 16. Re1 Ng5 17. g4 Bd7 18. Nf1 Ne6 19. Ng3 Kh7 20. Bd2 Nf4 21. b4 axb4 22. axb4 cxb4 23. Nxb4 Nxb4 { Wagner,F (1905)-Di Franco,P (2111) Bad Homburg 2011 0-1 (34)}) 9... Be6 { 0.31/23} ({Better is} 9... Qc7 $15 {-0.37/25}) 10. c4 Qd7 {0.46/24} (10... Re8 $11 {0.00/26}) 11. cxd5 {0.00/26} (11. Rc1 $14 {0.46/24}) 11... Nxd5 12. Bxg7 Kxg7 13. Qc2 b6 14. Nc4 f6 {-0.02/30} (14... Rac8 $15 {-0.59/24}) 15. a3 { -1.24/22} (15. d4 $11 {-0.02/30}) 15... Rac8 {-0.40/26} ({Black should try} 15... Bg4 $1 $17 {-1.24/22}) 16. Rfd1 {-0.89/26} (16. Qb2 $15 {-0.40/26 might be stronger.}) 16... Bf7 {0.23/29} (16... Bg4 $17 {-0.89/26}) 17. Qb2 {-0.73/26 } (17. d4 $11 {0.23/29}) 17... e5 $1 $17 18. d4 {-0.73/27} (18. Rac1 $11 { -0.14/25 remains equal.}) 18... cxd4 19. exd4 b5 $2 {3.59/28} (19... e4 $17 { -0.75/26 stays on course.} 20. Nfd2 b5) 20. Ne3 $2 {-0.92/29 [#]} (20. dxe5 $18 {3.59/28} Qe6 21. Ng5 $1 hxg5 22. Bxd5) 20... exd4 {0.45/30} (20... Nxe3 $1 $17 {-0.92/29} 21. fxe3 exd4) 21. Nxd4 {-0.82/28} (21. Nc2 $14 {0.45/30 stays ahead.}) 21... Nxe3 22. Bxc6 $4 {-5.47/22} (22. fxe3 $11 {-0.27/26 and White is okay.} Nxd4 23. exd4) 22... Nxd1 $19 {Black is clearly winning.} ({And not} 22... Rxc6 23. fxe3 Rc7 24. Qf2 $11) 23. Rxd1 Rxc6 24. Rd2 Rc7 {Accuracy: White = 6%, Black = 32%.} 0-1

A05 Réti Opening: 1.Nf3 Nf6 (1.g3 d5 2.Bg2 Nf6 3.d4 g6 4.Nf3 Bg7 5.O-O O-O 6.b3 c5 7.Bb2 Nc6 8.e3 Ne4 9.Nbd2)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2014.10.29"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "1-0"] [ECO "A05"] [WhiteElo "1651"] [BlackElo "1438"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "85"] [EventDate "2014.??.??"] 1. g3 {A00 Hungarian Opening} d5 2. Bg2 Nf6 3. d4 g6 4. Nf3 Bg7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. e3 Ne4 9. Nbd2 {-0.38/24 A05 Réti Opening: 1.Nf3 Nf6} (9. Ne5 $11 {0.09/26 should be considered.}) 9... cxd4 {0.43/28} (9... Bf5 $15 { -0.38/24}) 10. Nxd4 {-0.12/29} (10. Nxe4 $14 {0.43/28} dxe4 11. Nxd4) 10... Nxd4 $11 11. Bxd4 Bxd4 {0.78/28} (11... Nc3 $11 {-0.08/31} 12. Qe1 Bxd4 13. exd4 Bg4) 12. exd4 $16 Nc3 13. Qe1 $146 {-0.36/27} (13. Qf3 $14 {0.52/27} Qa5 ( 13... Qc7 14. Rfe1 Bf5 15. g4 Be6 16. Re3 Rac8 17. a4 Qa5 18. Qf4 Qb4 19. Nf1 Rfd8 20. Rae1 Qd6 21. Qh6 Ne4 22. Bxe4 dxe4 23. Rxe4 Rxc2 24. Ne3 Rc3 25. g5 Bxb3 26. Rh4 e5 27. Qxh7+ Kf8 28. dxe5 {Velasquez,M (2260)-Alonso,S (2484) Dos Hermanas 2004 0-1 (61)}) 14. Nb1 Nxb1 15. Rfxb1) 13... b6 $2 {1.41/26 [#]} ( 13... Bg4 $15 {-0.36/27 keeps the upper hand.} 14. f3 Bf5) 14. Nf3 {-0.09/26} ( 14. Qe3 $16 {1.41/26} Qc7 15. Nb1) 14... Ba6 $2 {4.03/23} (14... Qc7 $11 { -0.09/26 and Black has nothing to worry.}) 15. Qxc3 $18 Bxf1 16. Bxf1 (16. Rxf1 Qd6 $18) 16... Rc8 17. Qd2 Qc7 18. Rc1 Qc3 19. Qxc3 Rxc3 20. Kg2 Rfc8 21. Ne1 a5 22. a4 $2 {1.24/25} (22. Bb5 $18 {3.23/26}) 22... Rxb3 $16 23. Bd3 {0.09/30} (23. Bb5 $16 {1.45/27}) 23... Rb4 $1 $11 24. Bb5 $1 Rxd4 25. Nf3 Re4 {0.54/28} ({Black should play} 25... Rb4 $11 {0.00/30}) 26. Nd2 {-0.49/30} ({Better is} 26. Rd1 $14 {0.54/28}) 26... Re6 $2 {3.00/24} (26... Rb4 $15 {-0.49/30 stays ahead.}) 27. c4 $2 {0.00/33} (27. Bd7 $18 {3.00/24} Rec6 28. Bxc6 Rxc6 29. c4) 27... d4 $2 {4.00/24} (27... Rd6 $11 {0.00/33}) 28. Nf3 $2 {0.50/33} (28. Bd7 $18 {4.00/24}) 28... Rd6 29. Rd1 {White has compensation.} d3 30. Rd2 {0.41/34} (30. Ne1 $16 {0.85/29}) 30... Rc5 {1.08/24} (30... Kg7 $14 {0.41/34}) 31. Ne1 $16 Rc8 32. Kf3 Rcd8 {[#]} 33. Ng2 {0.00/33} ({White should try} 33. c5 $1 $16 {1.25/26} bxc5 34. Rxd3) 33... e5 {1.06/28} (33... Rf6+ $11 {0.00/33 remains equal.} 34. Ke3 Re6+ 35. Kf3 Rf6+ 36. Ke3 Re6+ 37. Kf3 Kg7) 34. Ne3 f5 35. Nd5 e4+ 36. Ke3 Rc8 $2 {9.56/24} (36... Re6 $16 {1.10/35}) 37. f3 $2 {2.56/33} (37. Ne7+ {9.56/24} Kf7 38. Nxc8) 37... Rc5 $2 {4.60/26} (37... Rf8 {2.56/33} 38. fxe4 Re6) 38. fxe4 $18 Re6 39. Kxd3 fxe4+ 40. Kd4 e3 41. Nxe3 {2.87/32} (41. Re2 $142 {5.94/24}) 41... Rd6+ $2 {5.69/25} (41... Rc8 {2.87/32} 42. Nd5 Rd8) 42. Nd5 Re6 43. Rf2 {Accuracy: White = 28%, Black = 16%.} 1-0

A05 Réti Opening: 1.Nf3 Nf6 (1.b3 Nf6 2.Bb2 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O e5 7.d3 Nc6)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2014.09.26"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "0-1"] [ECO "A05"] [WhiteElo "1583"] [BlackElo "1511"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "128"] [EventDate "2014.??.??"] 1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O {A49 Zukertort Opening: Double Fianchetto Attack} e5 7. d3 Nc6 {0.58/26 A05 Réti Opening: 1. Nf3 Nf6} (7... a5 $11 {-0.25/26}) 8. Nbd2 {-0.47/26} (8. Qd2 $14 {0.58/26}) 8... h6 {0.55/25} (8... a5 $15 {-0.47/26}) 9. e3 $146 {-0.20/26} (9. e4 $14 { 0.55/25} Be6 10. d4 Bg4 (10... exd4 11. Nxd4 Nxd4 12. Bxd4 Qd7 13. Re1 Bh3 14. c4 Bxg2 15. Kxg2 Rfe8 16. f3 c6 17. Nf1 d5 18. exd5 Rxe1 19. Qxe1 Re8 20. Qf2 cxd5 21. Rc1 dxc4 22. Bxf6 Bxf6 23. Rxc4 Qd3 24. Rc2 b5 25. Qd2 {Rishovd,S (2126)-Dolzhikova,K (2319) Kragero 2018 1/2-1/2 (77)}) 11. Qe1 Re8 12. d5 Ne7 13. h3 Bd7 14. c4 b6 15. Qd1 a5 16. Ne1 Nh5 17. Nd3 Rf8 18. a3 Qe8 19. b4 f5 20. c5 Bb5 21. Qc2 Nf6 22. a4 Bxd3 23. Qxd3 axb4 24. cxd6 {Tichy,V (2370) -Kaposztas,M (2335) Trnava 1988 1/2-1/2 (38)}) (9. c4 Be6 10. c5 (10. d4 exd4 11. Nxd4 Nxd4 12. Bxd4 d5 13. Rc1 Rc8 14. c5 c6 15. b4 Re8 16. Nf3 Bf5 17. a4 a6 18. e3 Be4 19. Bh3 Bxf3 20. Qxf3 Rc7 21. Rfd1 Ne4 22. Bf1 Bxd4 23. Rxd4 Re6 24. Bd3 Rce7 {Kovacs,E (2251)-Ivan,A (2268) Hungary 2011 1/2-1/2 (79)}) (10. a3 Qd7 11. b4 Bh3 12. e4 Nh7 13. Qe2 Ng5 14. Nxg5 hxg5 15. Bxh3 Qxh3 16. f3 f5 17. Qg2 g4 18. Qxh3 gxh3 19. Nb3 a5 20. b5 Nd8 21. a4 Ne6 22. Bc1 Rf7 23. Be3 f4 24. Bd2 fxg3 {Dragomirescu,C (2213)-Berbatov,K (2471) Eforie Nord 2010 1/2-1/2 (51)}) 10... Qd7 11. cxd6 cxd6 12. Ba3 b5 13. Rc1 Rac8 14. Re1 Rfe8 15. Ne4 b4 16. Bb2 Nd5 17. Ned2 Nc3 18. Bxc3 bxc3 19. Ne4 {1/2-1/2 (19) Stromboli,C (2304) -Stromboli,E (2304) Campobasso 2011}) 9... Re8 {0.35/24} (9... Be6 $11 { -0.20/26}) 10. c4 {-0.42/26} (10. a3 $14 {0.35/24}) 10... Nb4 {0.46/24} (10... Bf5 $15 {-0.42/26}) 11. Qe2 {-0.34/26} (11. Ne1 $14 {0.46/24}) 11... e4 $2 { 1.62/24} (11... c5 $15 {-0.34/26 stays ahead.}) 12. dxe4 {0.89/28} (12. Nxe4 $18 {1.62/24} Nxe4 13. dxe4) 12... Nxe4 {1.63/27} (12... Na6 $16 {0.89/28 is a better defense.}) 13. Bxg7 $18 Kxg7 14. a3 $2 {-8.73/27} (14. Nxe4 $16 {1.59/26 } Rxe4 15. Nd4) 14... Nc6 $2 {1.12/22} ({Black should play} 14... Nc3 $19 { -8.73/27} 15. Qe1 Nd3) 15. Qd3 {0.23/28} (15. Nxe4 $16 {1.12/22} Rxe4 16. Qb2+ Qf6 17. Qxf6+ Kxf6 18. c5) 15... Nxd2 $11 16. Nxd2 Bf5 17. e4 {0.00/28} (17. Qc3+ $16 {0.79/24} Qf6 18. Qxf6+ Kxf6 19. Rfc1) 17... Bc8 {1.12/24} (17... Be6 $11 {0.00/28 remains equal.}) 18. f4 {0.41/27} (18. Nb1 $16 {1.12/24}) 18... Qf6 $14 19. Rae1 {0.00/28} (19. Nf3 $14 {0.62/24}) 19... Qd4+ 20. Qxd4+ (20. Re3 {keeps more tension.} a5 21. Nb1 a4 22. b4 Be6 23. Nd2) 20... Nxd4 21. Ra1 {-0.82/25} (21. Re3 $11 {0.00/30}) 21... Bg4 {-0.19/25} (21... Bd7 $17 { -0.82/25}) 22. Kf2 $11 c5 {0.00/29} (22... g5 $15 {-0.65/23}) 23. h3 {-0.64/22} (23. b4 $11 {0.00/29}) 23... Bd7 {-0.07/25} (23... Be6 $15 {-0.64/22}) 24. Ra2 {-0.94/26} (24. b4 $11 {-0.07/25}) 24... Bc6 {-0.02/26} (24... a5 $17 {-0.94/26 }) 25. Re1 {-0.90/23} (25. b4 $11 {-0.02/26}) 25... Re7 {0.00/28} (25... a5 $1 $17 {-0.90/23}) 26. b4 $1 Rae8 27. b5 Bd7 28. a4 b6 29. a5 f5 30. axb6 axb6 31. Ra6 fxe4 {0.53/27} (31... Bc8 $11 {0.00/30} 32. Rxb6 Ra7) 32. Rxe4 $14 Bf5 33. Rxe7+ Rxe7 34. Bf1 $1 {Strongly threatening g4.} Rb7 {1.10/27} (34... Bxh3 $14 {0.62/28 feels stronger.} 35. Rxb6 Bxf1 36. Kxf1 Nf5) 35. g4 $16 Bc8 {1.67/26} (35... Bc2 $16 {0.95/28}) 36. Ra8 {0.69/30} (36. Bd3 $18 {1.67/26}) 36... Be6 $14 {[#]} 37. Bg2 {0.09/32} (37. Rd8 $1 $16 {1.09/25}) 37... Re7 $11 38. Rb8 { 0.00/31} (38. Bf1 $1 $14 {0.55/26}) 38... h5 $2 {2.11/24} (38... Ra7 $11 { 0.00/31 and Black is okay.}) 39. gxh5 $2 {0.00/31} ({White must play} 39. Rxb6 $18 {2.11/24 Black must now prevent gxh5.} hxg4 40. Rb7 (40. Rxd6 $2 g3+ 41. Kf1 Bf5 $19) 40... Rxb7 41. Bxb7) 39... gxh5 $2 {2.28/25} (39... Ra7 $11 { 0.00/31}) 40. Rxb6 $18 Nf5 $2 {4.24/25} (40... Bc8 {1.99/31 might work better.} ) 41. Nf3 $2 {0.00/31} (41. Ra6 $18 {4.24/25}) 41... Bxc4 $11 42. Bf1 {-0.47/31 } (42. Ng5 $1 $11 {0.00/31}) 42... Bxf1 $15 43. Kxf1 {Endgame KRN-KRN} Re3 44. Kf2 Rb3 45. Rb7+ Kf6 46. b6 $1 Rb2+ {-0.23/27} (46... Ke6 $17 {-0.76/29} 47. Rb8 Rb2+ 48. Ke1 Ne7) 47. Ke1 $11 c4 48. Rb8 {-0.85/29} (48. Rc7 $1 $11 { -0.18/30}) 48... c3 $17 {...Rb1+ is the strong threat.} 49. Rc8 c2 {-0.08/34} ( 49... Rxb6 $17 {-0.96/33 And now ...Rb3 would win.} 50. Rxc3 Rb4) 50. Kd2 $11 Rxb6 51. Kxc2 {-0.92/27 [#]} (51. Rf8+ $11 {-0.09/33 keeps the balance.} Kg6 52. Rg8+ Kf6 53. Rf8+ Kg6 54. Rg8+ Kf6 55. Rf8+) 51... Ne3+ {-0.09/34} (51... Rb4 $1 $17 {-0.92/27} 52. Kd3 Rxf4) 52. Kd3 Nd5 53. Rd8 {-0.69/27} (53. Rf8+ $11 {0.00/35} Kg7 54. Rf5 Rb3+ 55. Ke2 Nc3+ 56. Ke3) 53... Nxf4+ $15 54. Ke4 Rb4+ {-0.37/30} (54... Nxh3 $17 {-1.00/26 Hoping for ...Nf2+.} 55. Rf8+ Kg6) 55. Ke3 {Threatens to win with Rf8+.} Nd5+ 56. Kf2 {-0.79/26} (56. Kd3 $15 { -0.37/33} Ke7 57. Rh8) 56... Ke7 {-0.37/33} ({Better is} 56... Ke6 $17 { -0.79/26}) 57. Rh8 Nf4 {-0.09/34} ({Black should try} 57... Nf6 $17 {-0.71/27}) 58. Ke3 d5 59. h4 {-0.91/29} (59. Nd4 $11 {-0.11/30} Ng2+ 60. Kd3) 59... Ke6 { 0.00/33} (59... Re4+ $17 {-0.91/29} 60. Kf2 Nd3+ 61. Kg1 Ne5) 60. Rh6+ $2 { -2.24/26} (60. Nd4+ $11 {0.00/33} Kf7 61. Kxf4 Rxd4+ 62. Kg5) 60... Kf5 $19 61. Rh7 {intending Rf7+.} Rb3+ {-1.62/27} (61... Re4+ $142 {-2.89/27} 62. Kf2 Nd3+ 63. Kg2 Kf4) 62. Kf2 Ke4 $4 {8.53/28} (62... Rb2+ $19 {-2.12/28} 63. Kf1 Kg4) 63. Rg7 $4 {-70.57/26} (63. Nd2+ $18 {8.53/28} Kd4 64. Nxb3+ Kc3 65. Na5) 63... Rb2+ 64. Kg1 Ne2+ {-58.75/28 Accuracy: White = 25%, Black = 22%.} (64... Kxf3 $142 {-#13/29} 65. Kh1 d4 66. Rd7 d3 67. Re7 d2 68. Rd7 Kg3 69. Rg7+ Kh3 70. Rg1 Rc2 71. Rf1 Rc1 72. Kg1 Kg3 73. Rxc1 dxc1=Q#) 0-1

A05 Réti Opening: 1.Nf3 Nf6 (1.b3 e5 2.e3 Nf6 3.Nf3 d6 4.Bb2)

[Event ""] [Site "?"] [Date "2012.04.13"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A05"] [WhiteElo "1740"] [BlackElo "1771"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "131"] 1. b3 e5 {A01 Nimzo-Larsen Attack: Modern Variation} 2. e3 Nf6 3. Nf3 d6 4. Bb2 {A05 Réti Opening: 1.Nf3 Nf6} Bg4 5. Be2 Nc6 {1.14/22} (5... Be7 $11 {0.00/25} ) (5... Nbd7 6. d4 e4 7. Nfd2 Bxe2 8. Qxe2 d5 9. c4 c6 10. Nc3 a6 11. O-O Bd6 12. f3 Qe7 13. fxe4 dxe4 14. Rf5 O-O 15. c5 Bc7 16. Nc4 Qe6 17. Rff1 Nd5 18. Nxd5 cxd5 19. Nd2 f5 20. Ba3 {Doucet,A (1901)-Peyre,T (2072) Avoine 2012 0-1 (54)}) 6. d4 {0.23/27} (6. O-O $16 {1.14/22}) 6... e4 $146 {0.93/23} (6... exd4 $11 {0.23/27} 7. Nxd4 Bxe2 8. Qxe2 Nxd4 9. Bxd4 c6 (9... a6 10. O-O Be7 11. Qf3 Qd7 12. c4 O-O 13. Nc3 c6 14. h3 b5 15. Rac1 bxc4 16. Na4 Qe6 17. Rxc4 d5 18. Rc2 Ne4 19. Rfc1 Bh4 20. Rxc6 Rac8 21. Qg4 Qxg4 22. hxg4 Rxc6 23. Rxc6 Nxf2 24. Nc3 {Gundersen,H (2226)-Villing,D (2174) Dresden 2007 1-0 (39)})) 7. Nfd2 Bxe2 {1.19/25} (7... Bf5 $14 {0.65/28}) 8. Qxe2 $16 {White is better.} d5 9. c4 { -0.32/28} (9. O-O $16 {0.98/23}) 9... Nb4 $15 10. O-O Nc2 11. cxd5 {-0.79/28} ( 11. Nxe4 $1 $14 {0.36/27 keeps the upper hand.} Nxa1 12. Nxf6+ Qxf6 13. Bxa1) 11... Qxd5 $2 {1.80/24} (11... Nxa1 $17 {-0.79/28 keeps the pressure on.} 12. Qb5+ Qd7 13. Qxb7 Qxd5 14. Qxc7 Nxb3 $1 15. axb3 Bd6) 12. Nc3 $36 {Black is under strong pressure.} Qd7 {2.96/25} (12... Qh5 $142 {1.68/30}) 13. Rac1 ({ Stronger than} 13. Ncxe4 Nxe4 14. Nxe4 Nxa1 $15) ({Weaker is} 13. Ndxe4 Nxa1 14. Nxf6+ (14. Bxa1 Nxe4 15. Nxe4 O-O-O $15) 14... gxf6 $11) 13... Nb4 14. Ndxe4 Nxe4 15. Nxe4 Nxa2 16. Ra1 Nb4 17. Nc5 {0.80/27} (17. Rfd1 $18 {1.94/23 and White stays clearly on top.}) 17... Bxc5 $16 18. dxc5 O-O 19. Rfd1 {0.30/31 } (19. Qc4 $16 {0.80/26} Nc6 20. Rfd1) 19... Qf5 {1.04/26} (19... Qe6 $11 { 0.30/31}) 20. Qc4 Nc6 21. Rd5 {0.44/26} (21. e4 $16 {0.85/31} Qe6 22. Qxe6 fxe6 23. Rd7) 21... Qg6 {1.15/25} (21... Qe6 $14 {0.44/26}) 22. h4 {0.47/30} ({ White should play} 22. h3 $16 {1.15/25}) 22... h6 $1 $14 23. h5 Qe6 $1 24. Qc3 {0.10/28} (24. Bc3 $16 {0.79/27}) 24... f6 $11 25. Rad1 Rad8 26. Rxd8 Rxd8 27. Rxd8+ Nxd8 28. b4 Qg4 29. Qd2 Nc6 30. b5 Ne5 {White must now prevent ...Nf3+.} 31. Bxe5 fxe5 {Endgame KQ-KQ} 32. Qd5+ Kh7 33. Qxe5 c6 34. bxc6 bxc6 35. f3 Qa4 $1 36. Qf5+ Kg8 37. e4 a5 {1.49/29} (37... Qd4+ $11 {0.00/33 keeps the balance. } 38. Kf1 Qd1+ 39. Kf2 Qd2+ 40. Kg3 a5 41. Qe6+ Kh7) 38. e5 {0.00/33} (38. Qe6+ $16 {1.49/29} Kf8 39. Qd6+ Ke8 40. Qb8+ Kf7 41. Qb7+ Kf8 42. Qc8+ Kf7 43. Qd7+ Kg8 44. Kh2) 38... Qd4+ 39. Kh2 Qxc5 40. Qc8+ Kf7 41. e6+ Kf6 42. Qe8 $1 Qe5+ 43. Kg1 {Qf7+ is the strong threat.} Qxe6 44. Qg6+ Ke5 45. Qxg7+ Kd6 {aiming for ...Qe1+.} 46. Qd4+ Qd5 $1 47. Qf4+ Qe5 48. Qxh6+ Kd5 {1.35/28} (48... Ke7 $11 {0.00/30}) 49. Qd2+ {0.00/28} (49. Kf1 $1 $16 {1.35/28}) 49... Ke6 50. h6 { And now h7 would win.} Qc5+ $2 {8.42/28} (50... Kf6 $11 {0.00/35}) 51. Kh2 $2 { 2.54/32} (51. Kf1 {8.42/28 Threatens to win with h7.} Qc4+ 52. Kf2 Qh4+ 53. Ke2 Qc4+ 54. Kd1 Qa4+ 55. Qc2 Qa1+ 56. Kd2) 51... Qh5+ {3.95/30} (51... Qe5+ $142 { 2.54/32} 52. f4 Qf5) 52. Kg3 $18 Qe5+ 53. Kh4 Qf6+ 54. Kh3 Qf5+ {2.20/26 [#]} ( 54... c5 $16 {1.55/32} 55. Qe2+ Kf7) 55. Kh2 {0.80/28} (55. Kh4 $1 $18 { 2.20/26 is more deadly.} Qf6+ 56. Kg3) 55... Qh5+ $2 {3.68/26} (55... Kf7 $16 { 0.80/28 is a better defense.}) 56. Kg1 Qc5+ $2 {8.52/29 [#]} (56... Qe5 { 3.68/29} 57. h7 Qa1+ 58. Kf2 Kf7 59. Qd7+ Kg6) 57. Kf1 $1 {Hoping for h7.} Kf6 58. Qb2+ Kf5 59. g4+ Kf4 60. Kg2 Qd5 61. Qf6+ Ke3 62. Qe7+ Kd2 63. h7 Qd4 64. Qg5+ {32.37/31} (64. Qe8 $142 {#11/39} Kc2 65. h8=Q Qc3 66. Qxc3+ Kxc3 67. Qxc6+ Kd3 68. Kf2 Kd4 69. g5) 64... Ke2 65. Qe7+ Kd2 66. Qe8 {Accuracy: White = 39%, Black = 36%.} 1-0

A05 Réti Opening: 1.Nf3 Nf6 (1.Nf3 c5 2.b3 g6 3.Bb2 Nf6)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.08.21"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "1-0"] [ECO "A05"] [WhiteElo "1468"] [BlackElo "1369"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "79"] [EventDate "2011.??.??"] {[%evp 9,79,4,-5,5,-6,-18,-5,-60,-51,-40,-44,-98,-45,-36,50,16,27,-125,-132, -121,-118,-136,-63,-84,-98,-102,-95,-85,-84,-84,-56,-86,-52,-118,-25,-90,-64, -71,-62,-81,-70,-85,-35,-1168,-46,-29,13,10,200,-102,129,125,172,175,160,164, 427,433,485,485,579,579,740,725,999,983,29973,29974,29968,29969,29996,29997]} 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. b3 g6 3. Bb2 Nf6 { A05 Réti Opening: 1.Nf3 Nf6} 4. g4 Bg7 5. g5 (5. h4 Rg8 6. g5 Nh5 7. Qc1 Nc6 8. Bxg7 Nxg7 9. Qb2 d6 10. d3 Bg4 11. Nbd2 Ne6 12. e3 Nc7 13. Be2 Nd5 14. c4 Nb6 15. d4 Nd7 16. d5 Nce5 17. Nh2 Bxe2 18. Kxe2 f5 19. f4 Nf7 {Van Ackeren,F (1991)-Noering,A (1851) Germany 2015 1-0}) 5... Nh5 6. Bxg7 Nxg7 7. Nc3 $146 ( 7. d4 d5 8. Qd2 Qd6 9. Nc3 e6 10. e4 O-O 11. O-O-O cxd4 12. Nxd4 dxe4 13. Nxe4 Qe7 14. Nf6+ Kh8 15. h4 Nd7 16. Nxd7 Bxd7 17. h5 Nxh5 18. Be2 e5 19. Bxh5 gxh5 20. f3 Kg8 21. Rxh5 exd4 {Becker,T-Reth,I Porz 1989 1/2-1/2}) 7... O-O 8. d3 { -0.60/26} (8. d4 $11 {-0.05/27}) 8... Nc6 9. Qd2 d5 10. O-O-O {-0.98/22} ({ White should play} 10. Bg2 $15 {-0.44/25}) 10... e5 {-0.45/27} (10... d4 $17 { -0.98/22} 11. Ne4 f5 12. gxf6 exf6) 11. h4 Nf5 {0.50/23} (11... Be6 $15 { -0.36/25}) 12. Bh3 Nfd4 13. Nxd4 $2 {-1.25/23 [#]} (13. h5 $11 {0.27/26}) 13... cxd4 $17 14. Nb1 Qd6 15. Rdf1 Nb4 {-0.63/28} (15... Bxh3 $17 {-1.36/22} 16. Rxh3 Rfc8) 16. Kb2 Bxh3 17. Rxh3 Rfc8 18. Rc1 Rc7 {Hoping for ...Rac8.} 19. a3 Na6 20. Rhh1 Rac8 {[%tqu "En","","","","e2e3","", 10]} 21. Rhf1 {-1.18/23} (21. e3 $1 $15 {-0.52/26}) {[%tqu "En", "","","","a6c5","",10]} 21... e4 {-0.25/29} (21... Nc5 $1 $17 {-1.18/23} 22. e3 Ne6) 22. e3 {-0.90/28} (22. Rfd1 $11 { -0.25/29 keeps the balance.}) 22... dxe3 23. fxe3 exd3 24. Qxd3 {[%tqu "En","", "","", "a6c5","",10]} Nc5 $1 25. Qd4 {[%tqu "En","","","","c5e6","",10]} Ne4 { -0.35/27} (25... Ne6 $1 $17 {-0.85/26} 26. Qf6 a5) 26. Qxa7 $2 {-11.68/27 [%mdl 8192] [#]} (26. c4 $15 {-0.35/27}) 26... Qe5+ $2 {-0.46/29} ({Better is} 26... Qh2 $19 {-11.68/27} 27. a4 Rxc2+ 28. Rxc2 Rxc2+ 29. Ka3 Ra2+ 30. Kb4 Qd6+ 31. Ka5 Rc2) 27. Qd4 $15 Qxd4+ {0.13/32} (27... Qh2 {-0.29/30 is more appropriate.} 28. Qd3 b5) 28. exd4 $11 Nc3 $2 {2.00/27} (28... Ng3 $11 { 0.10/28 and Black is okay.} 29. Rfe1 Nf5) 29. Nd2 $2 {-1.02/29} ({White must play} 29. Nxc3 $18 {2.00/27} Rxc3 30. Rf6) 29... Nb5 $2 {1.29/27} (29... Ne2 $17 {-1.02/29 keeps the pressure on.} 30. c4 Nxc1 31. Rxc1 dxc4 32. bxc4 Re7) 30. Nf3 $36 {[%mdl 2048] White has strong initiative.} Rc3 {1.72/25} (30... Nd6 $16 {1.25/29 keeps fighting.} 31. Ne5 Kg7) 31. a4 $18 Nd6 32. Ne5 Rh3 $2 { 4.27/26} (32... Nf5 {1.64/25 might work better.}) 33. Rf6 Nf5 34. Rxf7 Rxh4 35. Rxb7 Rxd4 36. Nd7 h5 37. gxh6 Nxh6 38. Nf6+ {White mates.} Kf8 39. Rh1 Nf7 40. Rh7 {Accuracy: White = 32%, Black = 22%.} 1-0

A05 Réti Opening: 1.Nf3 Nf6 (1.Nf3 Nf6 2.g3 g6 3.Bg2)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.08.18"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "1-0"] [ECO "A05"] [WhiteElo "1493"] [BlackElo "1344"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "47"] [EventDate "2011.??.??"] {[%evp 9,47,0,0,-9,-14,-29,-17,-16,0,-10,18,-10,20,2,5,-19,0,-16,59,70,106,94, 106,99,94,99,154,138,227,216,315,281,264,226,293,287,302,287,468,456]} 1. Nf3 Nf6 2. g3 g6 {A05 King's Indian Attack: Symmetrical Defense} 3. Bg2 {A05 Réti Opening: 1.Nf3 Nf6} c5 4. O-O (4. b3 d6 5. O-O e5 6. d3 Bg7 7. e4 O-O 8. Bb2 Nc6 9. Nbd2 h6 10. Re1 Re8 11. c3 d5 12. exd5 Nxd5 13. a3 Rb8 14. b4 cxb4 15. axb4 b5 16. Ne4 Qc7 17. Nc5 a5 18. Qb3 Rd8 {Dubov,D (2638)-Grischuk,A (2779) Khanty Mansiysk 2013 1-0 (57)}) 4... Bg7 5. e3 $146 (5. d4 cxd4 6. Qxd4 Nc6 7. Qh4 Qb6 8. Na3 d5 9. c4 dxc4 10. Nxc4 Qa6 11. b3 Ng4 12. Bb2 Bxb2 13. Nxb2 Qxe2 14. Nc4 O-O 15. h3 Nge5 16. Nfxe5 Nxe5 17. Nxe5 Qxe5 18. Rfe1 Qf6 19. Qxf6 exf6 {Sagit,R (2389)-Pajeken,W (2269) Stockholm 2016 1/2-1/2 (47)}) (5. Re1 d5 6. c4 Nc6 7. cxd5 Nxd5 8. Nc3 O-O 9. Qb3 Nb6 10. Na4 Be6 11. Qd1 Nxa4 12. Qxa4 h6 13. d3 Qd7 14. a3 Rae8 15. Bd2 Bd5 16. Bc3 e5 17. Nd2 Kh7 18. Rac1 Bxg2 19. Kxg2 f5 {Tokovic,S (2268)-Pajzer,I (2152) Subotica 2008 1-0 (31)}) 5... O-O 6. c4 d5 7. cxd5 Nxd5 8. Nc3 {The position is equal.} Nxc3 9. bxc3 c4 10. a4 Nc6 11. Ba3 Bf5 12. Ra2 (12. Nd4 $5) 12... Na5 13. Rb2 Nb3 {0.59/26} (13... Re8 $11 { -0.16/26}) 14. Nd4 $14 Nxd4 15. exd4 Rb8 16. Rxb7 Rxb7 17. Bxb7 Qb6 {1.54/25} ( {Black should play} 17... Qc7 {0.99/28} 18. Qf3 Rd8) 18. Bd5 $16 Rc8 {2.27/25} (18... Bf6 $16 {1.38/29} 19. Bxc4 Bh3) 19. Bxe7 $18 Be6 {3.15/27} (19... Qa5 $142 {2.16/27}) 20. Bxe6 Qxe6 21. Bc5 a6 22. Re1 Qf5 23. Qe2 Rb8 $2 {4.68/24 [#]} (23... Qd5 {2.87/28 was necessary.} 24. Qf1 h5) 24. Qxc4 {Accuracy: White = 53%, Black = 4%.} 1-0

A05 Réti Opening: 1.Nf3 Nf6 (1.Nf3 c5 2.g3 g6 3.Bg2 Bg7 4.O-O Nf6 5.d3 Nc6)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.16"] [Round "?"] [White "Vierjoki, Timo"] [Black "Adam"] [Result "0-1"] [ECO "A05"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "48"] [EventDate "2001.07.05"] 1. Nf3 c5 {A04 Zukertort Opening: Sicilian Invitation} 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d3 Nc6 {A05 Réti Opening: 1.Nf3 Nf6. LiveBook: 160 Games} 6. Be3 $146 {-0.34/27} (6. c4 $11 {0.14/26 deserves consideration.} a6 (6... d5 7. Nc3 (7. cxd5 Nxd5 8. a3 O-O 9. Qc2 b6 10. Nc3 Bb7 11. Bd2 Rc8 12. Qa4 a6 13. Qh4 Nd4 14. Nxd4 cxd4 15. Nxd5 Bxd5 16. Bxd5 Qxd5 17. Qxe7 Rfe8 18. Rac1 Ra8 { 1/2-1/2 (18) Lee,P (2390)-Penrose,J (2450) Blackpool 1971}) 7... e6 8. Bf4 O-O 9. Qc1 d4 10. Nb5 Ne8 11. Bh6 e5 12. Bxg7 Kxg7 13. e3 Bf5 14. e4 Bg4 15. h3 Bd7 16. Nh4 a6 17. Na3 Nd6 18. Nc2 Qe7 19. Qd2 Rae8 20. b4 b6 21. bxc5 {Walczak,P (2128)-Dlugosz,J (2177) Biala 2000 0-1}) 7. Nc3 Rb8 8. a4 O-O 9. h3 d6 10. Be3 e5 11. Rb1 Bd7 12. Ne1 Nh5 13. Bd2 f5 14. Nc2 a5 15. e3 Nb4 16. Nxb4 axb4 17. Nd5 Bc6 18. b3 Qd7 19. Kh2 Rbe8 20. f4 Nf6 21. Qc2 {Martinovic,S (2410) -Ermenkov,E (2495) Smederevska Palanka 1979 1/2-1/2}) (6. Nbd2 O-O 7. c3 d6 8. Rb1 Rb8 9. b4 Nd5 10. Bb2 cxb4 11. cxb4 Ndxb4 12. Bxg7 Kxg7 13. Qc1 Na6 14. Qc3+ f6 15. Rfc1 Bd7 16. d4 Qa5 17. Qb2 Rfc8 18. Nc4 Qd8 19. e4 Bg4 20. e5 Bf5 {Mista,L-Filep,T Reggio Emilia 1968 1-0 (35)}) 6... d5 {0.66/23} ({Better is} 6... Ng4 $15 {-0.34/27} 7. Bc1 (7. Bxc5 Bxb2 8. Nbd2 Bxa1 $15) 7... d5) 7. Bxc5 $14 Nh5 {1.20/24} (7... Nd7 $14 {0.43/26} 8. Ba3 O-O) 8. Nbd2 {0.33/23} (8. d4 $16 {1.20/24}) 8... Qa5 $2 {2.25/23 [#]} (8... Bxb2 $14 {0.33/23} 9. Rb1 Bc3) 9. Ba3 {1.23/22} (9. d4 $1 $18 {2.25/23}) 9... Bg4 {1.80/24} (9... O-O $16 { 1.23/22} 10. Rc1 Rd8) 10. c4 $18 Nd4 $2 {4.73/23} (10... Nf6 {1.65/27 is a better chance.} 11. h3 Bd7) 11. Nxd4 Bxd4 12. Bxd5 Qa6 {4.11/22} (12... Qc7 $142 {2.85/25} 13. Qa4+ Bd7) 13. Rb1 Nf6 14. Bf3 Bxf3 15. Nxf3 (15. exf3 e5 $18 ) 15... Bb6 16. Qb3 O-O $2 {5.73/22} (16... Bd8 {3.56/28 is a better defense.} 17. e4 O-O) 17. Rfd1 {2.72/28} (17. Bxe7 $142 {5.73/22} Ng4 18. Bxf8 Rxf8 19. d4) 17... Bxf2+ $2 {5.66/22} (17... Rfe8 {2.72/28} 18. Rbc1 (18. c5 Bc7 $18) 18... Rad8) 18. Kxf2 Qe6 19. Qxb7 Ng4+ 20. Kf1 Qe3 {[#]} 21. Kg2 $2 {0.00/31} ( 21. Ke1 $18 {6.35/21}) 21... Qxe2+ $11 22. Kh3 $2 {-17.18/24} (22. Kg1 $11 { 0.00/31} Qe3+ 23. Kg2 (23. Kh1 $2 Nf2+ 24. Kg2 Nxd1 $19) 23... Qe2+ 24. Kg1 Qe3+ 25. Kg2 (25. Kh1 $2 Nf2+ 26. Kg2 Nxd1 $19) 25... Qe2+) 22... Nf2+ $19 23. Kh4 Qe6 24. Qxe7 Qg4# {Accuracy: White = 15%, Black = 1%.} 0-1