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