A00 Irregular Openings (1.g3 d5 2.Bg2 e5 3.b3)

[Event "Pogo"] [Site "Pogo"] [Date "2004.04.29"] [Round "?"] [White "AAMM4C"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1645"] [BlackElo "1855"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "45"] [EventDate "2004.??.??"] 1. g3 d5 2. Bg2 e5 3. b3 {A00 Irregular Openings} c5 (3... Nf6 4. Bb2 Bd6 5. d3 O-O 6. e3 c6 7. Ne2 Qe7 8. O-O Nbd7 9. Nd2 Rd8 10. a3 Nf8 11. Qb1 Bg4 12. Re1 Qe6 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 f5 16. Bg2 Qh6 17. b4 Qh5 18. Nc1 { Karlsson,L (2495)-Zapolskis,A (2290) Stockholm 1990 1-0 (69)}) 4. e3 $146 (4. Bb2 Nc6 5. c4 (5. d3 Nf6 (5... f6 6. e3 Be6 7. Nd2 Bd6 8. Ne2 Qd7 9. h4 Nge7 10. Nf3 O-O 11. c4 e4 12. dxe4 dxe4 13. Nd2 f5 14. Nf4 Bxf4 15. exf4 Nd4 16. O-O Rad8 17. Bc3 Nec6 18. a3 a5 19. Re1 Bf7 20. Rb1 {Kurobasa,B-Jakovenko,D Bratislava 1993 0-1 (32)}) 6. Nd2 Bg4 7. c4 d4 8. f3 Bd7 9. Nh3 Ne7 10. Ne4 Nf5 11. Bc1 Nh4 12. O-O Nxg2 13. Kxg2 Be7 14. Nhf2 O-O 15. Nxf6+ Bxf6 16. Bd2 Be7 17. Qc2 Qc7 18. Qb2 a5 19. a4 f5 {Boeckenhaupt,R-Hoegerl,G (2270) Pocking 1996 1/2-1/2 (54)}) 5... d4 6. d3 Bd6 7. Nd2 Nf6 8. a3 O-O 9. e4 a6 10. Ne2 b5 11. O-O Rb8 12. Bc1 Bd7 13. h3 Qc8 14. Kh2 Ne8 15. f4 exf4 16. gxf4 f6 17. Rf3 Qc7 18. Kh1 g6 {Diaz Velandia,J (2359)-Silva Rodriguez,F (2210) Sueca 2018 1-0 (66) }) 4... Nc6 5. Nc3 Nf6 {-0.59/24} (5... Be6 $17 {-1.13/21}) 6. Nf3 {-1.41/24} ( 6. Nge2 $15 {-0.59/24}) 6... e4 $17 7. Ng1 Be7 {-0.37/27} (7... h5 $19 { -1.74/23} 8. d3 exd3 9. Qxd3 Nb4 10. Qb5+ Bd7) 8. Bb2 {-1.56/22} (8. d3 $15 { -0.37/27}) 8... O-O {-0.62/27} (8... h5 $17 {-1.56/22} 9. Nge2 h4) 9. f3 { -1.14/27} (9. h3 $1 $15 {-0.62/27}) 9... exf3 10. Nxf3 Bg4 {-0.65/26} (10... d4 $17 {-1.35/23} 11. Nb5 dxe3) 11. h3 {-1.25/24} (11. Qc1 $15 {-0.65/26}) 11... Bh5 {-0.53/28} (11... Bd7 $17 {-1.25/24} 12. O-O Bd6) 12. g4 {-1.24/27} (12. Ne2 $15 {-0.53/28}) 12... Bg6 13. Nh4 $2 {-3.67/25 [#]} (13. Ne2 $17 {-0.93/29} ) 13... Be4 $2 {-0.27/28} (13... d4 $19 {-3.67/25 Threatens to win with ... Nxg4.} 14. Ne2 Ne4) 14. Bxe4 {-1.41/25} (14. g5 $1 $11 {-0.27/28}) 14... Nxe4 ( {And not} 14... dxe4 15. Nf5 $16) 15. Nxe4 Bxh4+ 16. Ke2 $2 {-7.90/24} (16. Nf2 {-1.69/27}) 16... dxe4 $19 17. Qf1 Be7 18. Re1 Nb4 19. Kd1 Qd7 20. Qc4 Rad8 21. Re2 b5 22. Qc3 Nxa2 $4 {#1/25 [#]} (22... Bf6 $19 {-12.28/26} 23. Qxc5 Nd3 24. cxd3 Bxb2) 23. Qxg7# {Accuracy: White = 15%, Black = 22%.} 1-0 [Event "ICC 1 0"] [Site "Internet Chess Club"] [Date "2005.12.23"] [Round "?"] [White "pacope"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1314"] [BlackElo "1262"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "49"] [EventDate "2005.??.??"] 1. g3 (1. b3 e5 2. g3 d5 {1-0 (66) Diaz Velandia,J (2359)-Silva Rodriguez,F (2210) Sueca 2018}) 1... d5 2. Bg2 e5 3. b3 {A00 Irregular Openings} c5 (3... Nf6 4. Bb2 Bd6 5. d3 O-O 6. e3 c6 7. Ne2 Qe7 8. O-O Nbd7 9. Nd2 Rd8 10. a3 Nf8 11. Qb1 Bg4 12. Re1 Qe6 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 f5 16. Bg2 Qh6 17. b4 Qh5 18. Nc1 {Karlsson,L (2495)-Zapolskis,A (2290) Stockholm 1990 1-0 (69)}) 4. Bb2 d4 $146 (4... Nc6 5. c4 (5. d3 Nf6 (5... f6 6. e3 Be6 7. Nd2 Bd6 8. Ne2 Qd7 9. h4 Nge7 10. Nf3 O-O 11. c4 e4 12. dxe4 dxe4 13. Nd2 f5 14. Nf4 Bxf4 15. exf4 Nd4 16. O-O Rad8 17. Bc3 Nec6 18. a3 a5 19. Re1 Bf7 20. Rb1 {Kurobasa, B-Jakovenko,D Bratislava 1993 0-1 (32)}) 6. Nd2 Bg4 7. c4 d4 8. f3 Bd7 9. Nh3 Ne7 10. Ne4 Nf5 11. Bc1 Nh4 12. O-O Nxg2 13. Kxg2 Be7 14. Nhf2 O-O 15. Nxf6+ Bxf6 16. Bd2 Be7 17. Qc2 Qc7 18. Qb2 a5 19. a4 f5 {Boeckenhaupt,R-Hoegerl,G (2270) Pocking 1996 1/2-1/2 (54)}) 5... d4 6. d3 Bd6 7. Nd2 Nf6 8. a3 O-O 9. e4 a6 10. Ne2 b5 11. O-O Rb8 12. Bc1 Bd7 13. h3 Qc8 14. Kh2 Ne8 15. f4 exf4 16. gxf4 f6 17. Rf3 Qc7 18. Kh1 g6 19. Rf2 {Diaz Velandia,J (2359)-Silva Rodriguez, F (2210) Sueca 2018 1-0 (66)}) 5. d3 Nc6 {0.00/25} ({Better is} 5... g6 $15 { -0.60/24}) 6. Nd2 {-0.92/25} (6. Nf3 $11 {0.00/25}) 6... Bf5 {0.38/22} (6... Nge7 $17 {-0.92/25}) 7. e4 {-1.07/26} (7. Bxc6+ $1 $14 {0.38/22 keeps the upper hand.} bxc6 8. Ngf3) 7... dxe3 $2 {1.48/24} (7... Be6 $17 {-1.07/26}) 8. fxe3 {0.51/27} (8. Bxc6+ $1 $16 {1.48/24} bxc6 9. fxe3) 8... Be7 {1.87/24} ( 8... Qc7 $14 {0.51/27}) 9. e4 $2 {-0.09/26} (9. Bxc6+ $1 $18 {1.87/24} bxc6 10. e4 (10. Bxe5 Nf6 $16)) 9... Be6 $11 10. Ne2 {-0.41/21} (10. Nc4 $14 {0.56/24}) 10... Nf6 $15 11. O-O $2 {-2.25/21} (11. Nc4 $11 {-0.21/29 and White is okay.}) 11... O-O $2 {-0.15/26} ({Black should try} 11... Ng4 $1 $19 {-2.25/21 White must now prevent ...Ne3.} 12. Qb1 O-O) 12. h3 {-0.79/23} (12. Nc3 $11 {-0.15/26 }) 12... Nd4 {0.31/26} (12... b5 $17 {-0.79/23}) 13. Nxd4 $2 {-1.21/23} (13. a4 $14 {0.31/26 stays ahead.}) 13... exd4 {-0.44/29} (13... cxd4 $17 {-1.21/23} 14. Nf3 Qd6) 14. Bf3 $2 {-2.66/22} (14. Kh2 $15 {-0.44/29}) 14... Bxh3 $19 15. Rf2 Qd7 16. Rh2 Bg4 {-1.88/29} (16... Ng4 $142 {-3.23/24} 17. Rh1 (17. Rxh3 $2 Ne3 $19) 17... Ne3) 17. a3 {-2.99/24} (17. e5 {-1.88/29 might work better.} Bxf3 18. Qxf3) 17... Bxf3 18. Qxf3 Bd6 {-1.50/27} ({Black should play} 18... Ng4 $19 {-2.89/25} 19. Re2 Bg5) 19. Nc4 {Threatening e5.} Bb8 $2 {-0.24/28} ( 19... Be7 $19 {-1.75/25 Black wants to play ...b5.} 20. a4 h6) 20. e5 $2 { -2.03/24} (20. Kg2 $11 {-0.24/28 and White stays safe.}) 20... Nd5 {-0.75/27} ( 20... Qg4 $19 {-2.03/24 has better winning chances.} 21. Qxg4 Nxg4) 21. Re1 $17 Bc7 $2 {0.98/30} (21... Nb6 $17 {-0.75/27}) 22. Qh5 $2 {-0.85/29} (22. Qh1 $1 $16 {0.98/30 stays on course.} h6 23. b4) 22... h6 23. Bc1 $1 {Strongly threatening Bxh6!} Kh7 $2 {#12/25 [#]} (23... Qe6 $17 {-0.87/31} 24. Re4 Rfe8) 24. Qf3 $2 {-1.33/28} (24. Bxh6 $1 {#12/25 mates} g6 (24... gxh6 25. Qxh6+) 25. Qh4 Kg8 26. Bg5 f6 27. Qh8+ Kf7 28. e6+ Ke8 29. exd7+ Kxd7 30. Qg7+ Kc8 31. Qxf8+ Kd7 32. Qf7+ Kc8 33. Rh8+ Bd8 34. Nd6+ Kb8 35. Rxd8#) 24... Nb6 $2 { 16.25/26 [#]} (24... Rae8 $17 {-1.33/28} 25. Nd6 Bxd6 26. Qxd5 Qg4) 25. Qe4+ $2 {-0.09/30 Accuracy: White = 10%, Black = 7%. . Loss on time!?} (25. Bxh6 $1 $18 {16.25/26} Qe6 (25... gxh6 26. Qf6) 26. Bd2+ Kg8 27. Qh5) 1-0

A00 Ware Opening: Meadow Hay Trap (1.a4 e5 2.Ra3)

[Event "Rated game, 30m + 0s"] [Site "Main Playing Hall"] [Date "2008.03.12"] [Round "?"] [White "AEGtocas"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1763"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "44"] [EventDate "2008.03.04"] [SourceTitle "playchess.com"] 1. a4 {A00 Irregular Openings} e5 2. Ra3 {A00 Ware Opening: Meadow Hay Trap} Bxa3 3. Nxa3 d5 $146 (3... d6 4. e4 Nf6 5. Nf3 O-O 6. d3 Be6 7. Be2 Nc6 8. O-O Qd7 9. Nb5 a6 10. Nc3 d5 11. exd5 Nxd5 12. Ne4 Bf5 13. Ng3 Rae8 14. h3 e4 15. Nxf5 Qxf5 16. dxe4 Ne3 17. Bxe3 Qxe4 18. Bd3 {Smirnov,A (2228)-Shepelev,V Tula 2005 1-0}) 4. h4 Nf6 5. Rh3 Bxh3 6. Nxh3 O-O 7. b3 c5 8. Bb2 {Black is clearly winning.} Nc6 9. Nb5 Ne4 10. Ng5 Nxg5 11. hxg5 Qxg5 12. Nd6 b6 13. g3 f5 14. Bg2 e4 15. Bh3 f4 16. Nf5 Rxf5 17. Be5 Nxe5 18. Bxf5 Qxf5 19. gxf4 Qh3 { -27.89/28} (19... Qxf4 $142 {-#16/27} 20. e3 Qh2 21. Ke2 Qh5+ 22. Ke1 Nf3+ 23. Kf1 d4 24. d3 dxe3 25. dxe4 Nd2+ 26. Kg2 Qxd1 27. fxe3 Qf3+ 28. Kg1 Nxe4 29. Kh2 Qg3+ 30. Kh1 Nf2#) 20. e3 Nf3+ {Black mates.} 21. Qxf3 exf3 22. Kd1 Qf1# 0-1

A00 Irregular Openings (1.g3 d5 2.Bg2 e5)

[Event "Pogo"] [Site "?"] [Date "2003.12.02"] [Round "?"] [White "zbau7"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1565"] [BlackElo "1831"] [Annotator "Tactical Analysis 2.10 (5s)"] [PlyCount "94"] [EventDate "2003.11.13"] [EventType "blitz"] 1. g3 d5 (1... e5 2. Bg2 {0-1 (48) Conic,V-Danojlic,P (1890) Belgrade 2007}) 2. Bg2 e5 {A00 Irregular Openings} 3. e4 d4 4. c3 (4. Ne2 Bg4 5. f3 Be6 6. d3 Nc6 7. O-O Bc5 8. f4 f6 9. b4 Bxb4 10. Ba3 Bxa3 11. Nxa3 Nh6 12. Rb1 b6 13. g4 Nxg4 14. Qd2 Ne3 15. Rf2 Bxa2 16. Rb5 a6 17. Rb2 Be6 18. f5 Bf7 {Hernandez Garcia, J-Ferrer Mygina,J (1608) Salta Margalida 2016 0-1}) 4... c5 (4... Nc6 5. Nf3 Bg4 6. O-O Nf6 7. Qa4 Bxf3 8. Bxf3 Bd6 9. cxd4 Qd7 10. dxe5 Bxe5 11. Nc3 Bxc3 12. bxc3 O-O 13. d4 Ne5 14. Qxd7 Nxf3+ 15. Kg2 Nh4+ 16. Kh3 Nxd7 17. Kxh4 Nf6 18. e5 Ne4 19. Bb2 {Weidt,F-Butler,A Littlethorpe 2005 1-0 (33)}) 5. cxd4 $146 (5. Nf3 Nc6 6. O-O Be7 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 d3 10. Qxd3 Qb6 11. Nxe5 Be6 12. Na3 a6 13. Nac4 Nxc4 14. Nxc4 Qc7 15. b3 b5 16. Ne3 Rd8 17. Qe2 c4 18. b4 Rd3 19. Nf5 g6 {Conic,V-Danojlic,P (1890) Belgrade 2007 0-1 (48)}) 5... cxd4 6. Ne2 {-1.50/20} (6. d3 $15 {-0.33/22}) 6... Nc6 {-0.41/21} (6... d3 $17 { -1.50/20} 7. Nec3 Nc6) 7. d3 $1 $15 Nf6 {-0.34/22} (7... Qa5+ $17 {-0.87/19} 8. Nd2 Qa6) 8. Qa4 {-1.82/18} (8. O-O $15 {-0.34/22}) 8... Be7 {-1.02/21} (8... h5 $19 {-1.82/18} 9. Nd2 h4) 9. Nd2 {-1.78/20} (9. Bg5 $17 {-1.02/21 might work better.}) 9... O-O 10. O-O {-2.12/18} (10. a3 $17 {-1.50/23}) 10... Bg4 { -0.78/22} (10... Nb4 $1 $19 {-2.12/18} 11. f4 Nxd3) 11. f3 $17 Be6 {-0.74/20} ( 11... Bd7 $142 {-1.15/18} 12. Qd1 Rc8) 12. b3 $2 {-4.68/21} (12. f4 $17 { -0.74/20 is a better chance.}) 12... a6 $19 {...b5 is the strong threat.} 13. Ba3 {-9.83/20} (13. b4 $142 {-4.16/22} Nxb4 14. Ba3) 13... Bxa3 $2 {-1.16/20} ( 13... b5 $19 {-9.83/20} 14. Bxe7 Qxe7) 14. Qxa3 $17 Qa5 {0.11/24} (14... a5 $17 {-1.34/19} 15. Qb2 a4) 15. Qxa5 $11 Nxa5 16. Nc4 {-1.05/18} (16. Rfc1 $11 { 0.22/24}) 16... Nxc4 $17 17. bxc4 {-1.34/22} (17. dxc4 $142 {-0.93/24} Nd7 18. Nc1) 17... Rac8 $2 {0.53/23} (17... Nd7 $1 $17 {-1.34/22} 18. f4 f6) 18. Rfc1 $2 {-1.25/19} (18. f4 $1 $14 {0.53/23}) 18... Rc7 {-0.09/25} (18... Nd7 $1 $17 {-1.25/19} 19. Rab1 Nc5) 19. a4 {-0.64/19} (19. f4 $11 {-0.09/25}) 19... Nd7 $15 20. f4 {-1.04/21} (20. Rcb1 $15 {-0.56/26}) 20... f6 {-0.16/22} (20... Bg4 $17 {-1.04/21} 21. Re1 Nc5) 21. f5 {-1.19/23} (21. Rcb1 $1 $11 {-0.16/22 keeps the balance.}) 21... Bf7 $17 22. Bf3 {-1.74/21} (22. Rcb1 $17 {-1.20/27 is a better defense.}) 22... Nc5 $36 {Black is really pushing.} 23. Ra3 Be8 { -0.56/24} (23... a5 $19 {-1.73/24} 24. Rca1 Be8) 24. Rca1 {-1.73/19} (24. a5 $15 {-0.56/24}) 24... Bc6 {-0.67/21} (24... a5 $19 {-1.73/19} 25. Nc1 b6) 25. Nc1 {-1.71/23} ({White should try} 25. a5 $15 {-0.67/21}) 25... Rb8 26. Kf2 { -1.77/23} (26. Bd1 $17 {-1.31/25}) 26... b5 {-1.12/28} (26... a5 $19 {-1.77/23} 27. Be2 b6) 27. axb5 axb5 28. Rb1 {-2.09/21 [#]} (28. cxb5 $17 {-0.91/25} Bxb5 29. Bd1) 28... Rcb7 {-0.78/25} (28... b4 $1 $19 {-2.09/21} 29. Ra5 Ba4) 29. cxb5 {-1.35/22} (29. Rb4 $142 {-0.78/25}) 29... Rxb5 $17 30. Rxb5 Rxb5 31. Be2 $2 {-3.49/22 [#]} (31. Ra1 $17 {-1.36/27 only move.}) 31... Rb2 $2 {-0.90/26} ( 31... Rb1 $1 $19 {-3.49/22} 32. Na2 Ba4) 32. Kf3 $2 {-3.95/23} (32. Ke1 $17 { -0.90/26 is tougher.}) 32... Bb5 33. Ra5 Kf7 34. h4 Rb1 35. h5 Rxc1 $2 { -1.07/21} (35... Ke7 $19 {-4.53/23 is more deadly. White must now prevent ... Kd6.} 36. Na2 Nxd3) 36. Rxb5 $19 {Endgame KRB-KRN} Na4 $2 {0.00/40} (36... Rc3 $19 {-2.12/27} 37. Rb1 h6) 37. Rb7+ $11 Kf8 38. h6 gxh6 39. Rxh7 Nc3 40. Rxh6 Kf7 (40... Kg7 {seems wilder.} 41. Rg6+ Kf7 42. Rh6 Re1 43. Rh2 Nxe2 44. Rxe2 Rd1) 41. g4 Re1 42. Rh7+ Kg8 43. Rh2 Kg7 44. Kf2 $2 {-#19/31} (44. Rf2 $11 { 0.00/38}) 44... Rxe2+ {Black mates.} 45. Kg3 Rxh2 46. Kxh2 Kh6 47. Kg3 Kg5 { Accuracy: White = 12%, Black = 29%.} 0-1 [Event "ICC 10 0"] [Site "Internet Chess Club"] [Date "2014.11.04"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1552"] [BlackElo "1531"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "45"] [EventDate "2014.??.??"] [TimeControl "600"] 1. g3 d5 2. Bg2 e5 {A00 Irregular Openings} 3. e4 Nf6 (3... dxe4 4. Bxe4 Nf6 5. Bg2 Bc5 6. d3 O-O 7. Bg5 h6 8. Be3 Qe7 9. Nc3 c6 10. Nf3 Bxe3 11. fxe3 e4 12. dxe4 Nxe4 13. Nxe4 Qxe4 14. Qe2 Re8 15. Kf2 Bf5 16. Nd4 Qe5 17. c3 Nd7 18. Rhf1 {Baffa,P-Detter,P (2190) Ciro 1998 0-1 (40)}) 4. d3 c6 $146 (4... Nc6 5. c3 Bc5 6. b4 Bb6 7. a4 a6 8. a5 Ba7 9. Na3 dxe4 10. dxe4 Qxd1+ 11. Kxd1 Bxf2 12. Nh3 Bxh3 13. Bxh3 Nxe4 14. Bb2 O-O 15. Bg2 Nf6 16. Bxc6 bxc6 17. Rf1 Ba7 18. Nc4 Rfe8 19. Bc1 {Sandikoglu,E-Cinkilic,H (1773) Kemeri 2012 0-1 (35)}) (4... Be6 5. c3 dxe4 6. Qa4+ c6 7. dxe4 Qb6 8. h3 Bc5 9. Qc2 O-O 10. b4 Be7 11. Be3 Qc7 12. Nf3 Nbd7 13. Ng5 Bc4 14. Nd2 Ba6 15. Qb3 h6 16. Ngf3 b6 17. a4 c5 18. b5 Bb7 19. Nh2 {Huth,H (1178)-Hiller,U (1521) Undeloh 2004 1/2-1/2 (48)}) 5. Ne2 Bc5 {0.12/25} (5... dxe4 $17 {-1.05/22} 6. Nbc3 exd3 7. cxd3 Bc5) 6. O-O { -0.72/26} (6. exd5 $11 {0.12/25} cxd5 7. O-O) 6... O-O {0.36/26} (6... dxe4 $17 {-0.72/26} 7. dxe4 O-O) 7. Nbc3 {-0.61/23} (7. exd5 $1 $14 {0.36/26} cxd5 8. Bg5) 7... Be6 {0.25/30} ({Black should try} 7... dxe4 $15 {-0.61/23} 8. dxe4 Be6) 8. Kh1 {-0.83/22} (8. d4 $11 {0.25/30 keeps the balance.} exd4 9. exd5) 8... dxe4 {-0.22/25} (8... d4 $17 {-0.83/22} 9. Nb1 Nbd7) 9. Nxe4 $11 Nxe4 10. dxe4 $2 {-2.18/22} (10. Bxe4 $11 {-0.26/25} Nd7 11. Nc3) 10... Qb6 $2 {-0.13/26 } (10... Qxd1 $1 $19 {-2.18/22} 11. Rxd1 Bxf2) 11. f4 exf4 {0.07/29} (11... Rd8 $15 {-0.68/24} 12. Qe1 Nd7) 12. gxf4 Bc4 $2 {1.59/24} (12... Nd7 $11 {-0.18/29} ) 13. Rf3 {0.75/29} (13. b3 $142 {1.59/24}) 13... Rd8 14. Qe1 Qa6 {1.89/23} ({ Black should play} 14... Nd7 $14 {0.64/29}) 15. Nc3 $18 Bb4 $2 {3.24/23} (15... f6 {1.72/27}) 16. a3 Nd7 {3.96/24} (16... c5 $142 {2.69/26} 17. b3 Be2 18. axb4 (18. Qxe2 Bxc3 19. Qxa6 Nxa6 $11) 18... Qxa1 19. Nxe2 cxb4) 17. Qh4 $2 {0.00/29 } (17. b3 $18 {3.96/24}) 17... Nf6 {1.47/21 [#]} (17... Bxc3 $1 $11 {0.00/29} 18. Rxc3 Bf1) 18. Be3 $1 $16 Bxc3 19. bxc3 Nxe4 {1.93/26} (19... Be2 $16 { 1.21/28 keeps fighting.}) 20. Rh3 $18 Nf6 21. Bd4 $2 {0.24/26 [#]} (21. Rg1 $18 {1.85/25}) 21... h6 $2 {14.40/25} (21... Rxd4 $1 $11 {0.24/26} 22. cxd4 Bd5) 22. Bxf6 {White threatens Qxh6! and mate.} gxf6 23. Qxh6 {Black resigns. Accuracy: White = 40%, Black = 15%.} 1-0 [Event "SalSK"] [Site "?"] [Date "2016.02.21"] [Round "4"] [White "Ahokas, Heikki"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1724"] [BlackElo "1733"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "63"] 1. g3 d5 2. Bg2 e5 {A00 Irregular Openings} 3. b4 Bxb4 (3... Nf6 4. Bb2 (4. a3 Bd6 5. Bb2 O-O 6. Nf3 Re8 7. d3 c6 8. Nbd2 Bf5 9. O-O Qc8 10. e4 Bh3 11. Re1 Bxg2 12. Kxg2 Nbd7 13. d4 exd4 14. exd5 Nxd5 15. Bxd4 c5 16. bxc5 Bxc5 17. Rxe8+ Qxe8 18. Nb3 Bxd4 {Neumann,T (1662)-Borchert,L (1829) Willingen 2015 0-1 (44)}) 4... Bd6 5. c4 c6 6. Qb3 dxc4 7. Qxc4 Be6 8. Qc2 Nbd7 9. Nf3 O-O 10. O-O Qe7 11. d3 Nd5 12. a3 a5 13. bxa5 Rxa5 14. Nbd2 N5b6 15. Bc3 Rxa3 16. Rxa3 Bxa3 17. Nxe5 Nxe5 18. Bxe5 {Slipak,S (2405)-Sorokin,M (2490) San Fernando 1993 1/ 2-1/2}) 4. c4 c6 5. Qb3 $146 (5. cxd5 cxd5 6. Qb3 Qb6 7. Bxd5 Nh6 8. Nf3 Nd7 9. Bb2 Bd6 10. Na3 Qxb3 11. Bxb3 O-O 12. Nc4 Bc5 13. Ncxe5 Nxe5 14. Nxe5 b6 15. Bd5 Rb8 16. O-O Bh3 17. Bg2 Bxg2 18. Kxg2 Rfe8 19. e3 Rbd8 {Cupina,I (1674) -Borgmeyer,M (1288) Hamburgo 2002 1-0}) 5... Qa5 {-0.06/28} (5... Qd6 $17 { -1.37/23 Black wants to play ...Ne7.} 6. cxd5 Nf6) 6. cxd5 $11 Nf6 {0.00/29} ( 6... Ne7 $15 {-0.57/21} 7. Ba3 Bxa3 8. dxc6 Nbxc6 9. Qxa3 Qb4) 7. Bb2 {-0.67/24 } (7. Ba3 $11 {0.00/29} Bxa3 8. dxc6 Nxc6 9. Qxa3 Qxa3 10. Nxa3) 7... Bd6 { 0.24/27} (7... O-O $15 {-0.67/24}) 8. Nc3 {-0.41/24} (8. Nf3 $11 {0.24/27}) 8... O-O $15 9. Nf3 {-0.68/25} (9. Rc1 $1 $11 {-0.07/29}) 9... cxd5 {0.19/29} ( 9... e4 $15 {-0.68/25} 10. Nd4 cxd5) 10. Nb5 $11 Be7 {0.62/25} ({Better is} 10... Bb4 $11 {-0.09/26}) 11. Nxe5 {0.00/27} (11. Bxe5 $14 {0.62/25} Nc6 12. Bc3) 11... Be6 {0.86/26} (11... Nc6 $11 {0.00/27}) 12. Nd4 Qa6 {1.44/25} (12... Nbd7 $142 {0.82/29}) 13. Nxe6 {0.87/28} (13. Rc1 $142 {1.44/25}) 13... fxe6 $16 14. O-O {0.57/28} (14. Bh3 $16 {1.07/23}) 14... Nc6 $14 15. Qe3 {0.62/30} (15. Nf3 $16 {1.07/25}) 15... Nxe5 16. Qxe5 Bb4 {1.04/24} (16... Rae8 $14 {0.39/28}) 17. d3 {0.56/28} (17. Qe3 $16 {1.04/24}) 17... Rf7 18. Bh3 {0.56/27} (18. Qe3 $16 {1.12/24}) 18... Re8 19. a3 {0.38/28} (19. Rfc1 $16 {1.03/25}) 19... Ba5 { 1.02/25} (19... Bd6 $14 {0.38/28} 20. Qg5 e5) 20. Rac1 {0.59/28} ({White should play} 20. a4 $16 {1.02/25}) 20... Qb6 {1.52/27} (20... Nd7 $14 {0.59/28} 21. Qe3 Bb6) 21. Bd4 $36 {Black is under strong pressure.} Qa6 22. Rc2 Rfe7 23. Rfc1 {0.96/31} ({White should try} 23. Rb1 {1.41/28}) 23... Nd7 {2.42/23} ( 23... Bb6 $16 {0.96/31}) 24. Qg5 {0.96/31} (24. Qh5 $18 {2.42/23 has better winning chances.}) 24... g6 $2 {3.24/26 [#]} (24... h6 $16 {0.96/31} 25. Qg6 Nf8) 25. Qh6 e5 26. Be3 d4 {3.33/27} (26... Rf7 $142 {2.06/31} 27. Rc8 Bd8) 27. Bg5 $18 Rf7 $2 {14.01/23} (27... Nf6 {3.03/29} 28. Qh4 Rf7) 28. Rc8 Rxc8 29. Rxc8+ Rf8 30. Bxd7 {13.91/35} (30. Rxf8+ $142 {#5/34} Nxf8 31. Be7 Qf6 32. Bxf6 Kf7 33. Qg7+ Ke8 34. Qe7#) 30... Rxc8 31. Bxc8 {[#] Be7 would kill now.} Qc6 32. Qh3 {Accuracy: White = 25%, Black = 19%.} 1-0

A00 Irregular Openings (1.Nf3 d5 2.Nc3 c5)

[Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2011.06.23"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1439"] [BlackElo "1592"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "38"] [EventDate "2011.??.??"] [EventType "blitz"] 1. Nc3 d5 2. Nf3 c5 {A00 Irregular Openings} 3. e4 dxe4 4. Nxe4 Nc6 (4... Qa5 5. Bc4 e6 6. Qe2 Be7 7. O-O Nf6 8. d4 cxd4 9. Nxd4 O-O 10. Bg5 Qd8 11. Rad1 Nxe4 12. Nc6 Nc3 13. bxc3 Nxc6 14. Rxd8 Rxd8 15. Bxe7 Nxe7 16. Bd3 Nd5 17. Qe4 Nf6 18. Qh4 h6 19. f4 {Ligterink,G (2410)-Kouatly,B (2490) Cannes 1990 1-0 (34) }) (4... Qc7 5. Bc4 Nf6 6. Neg5 e6 7. Qe2 Be7 8. Ne5 O-O 9. c3 Nc6 10. f4 Nd5 11. Nxc6 Bxg5 12. fxg5 Qxc6 13. O-O a6 14. Bd3 Qd6 15. Be4 Nf4 16. Qf3 e5 17. d3 Ng6 18. Be3 Rb8 19. Rad1 {Brito,L (2356)-Mendes,J (1978) Caioba 2018 1-0 (41)}) 5. Bb5 $146 (5. Bc4 e6 6. O-O Be7 7. b3 Nf6 8. Qe2 O-O 9. Bb2 a6 10. a4 b6 11. Rad1 Nd4 12. Nxd4 cxd4 13. c3 Bb7 14. Ng5 Nd5 15. Nf3 Nf4 16. Qe5 Bxf3 17. gxf3 Bd6 {0-1 (17) Peters,T (1126)-Onken,A (1667) Schoenhagen 2009}) 5... Qb6 {1.71/22} (5... Nf6 $14 {0.68/28} 6. Qe2 (6. Nxc5 e5 $14) 6... Nxe4 7. Qxe4 Bd7) 6. Bxc6+ $2 {-0.13/26} ({White has to play} 6. Qe2 $18 {1.71/22 Hoping for Nd6+.} e6 7. a4) 6... Qxc6 $11 7. d3 Bf5 {0.47/25} (7... Nf6 $11 {-0.22/25} ) 8. O-O {-0.23/30} ({White should play} 8. Be3 $14 {0.47/25}) 8... Bxe4 { 0.80/27} (8... Nf6 $1 $11 {-0.23/30}) 9. dxe4 $16 Qxe4 {1.13/22} (9... Nf6 $14 {0.44/29}) 10. Re1 Qc6 $2 {4.66/25} (10... Qf5 $16 {0.99/28}) 11. Ne5 $1 $18 Qc8 {6.88/28} (11... Qe6 $142 {4.22/29} 12. Qf3 O-O-O) 12. Qd5 $2 {1.89/29} ( 12. c3 {6.88/28 White threatens Qa4+ and mate.} a6 13. Nc4) 12... e6 {[#]} 13. Qc4 $2 {0.62/30} ({White must play} 13. Qf3 $1 $18 {2.15/27} Nf6 14. Bh6) 13... a6 $14 14. Bg5 $36 {0.26/29 White has some pressure.} (14. a4 $16 {0.91/27}) 14... Nf6 {1.54/30} (14... Be7 $1 $11 {0.26/29 remains equal.} 15. Qg4 Nf6) 15. Rad1 {1.07/30} (15. Qf4 $142 {1.54/30} Be7 16. Rad1) 15... Be7 $16 {[#]} 16. Bxf6 $2 {-0.64/25} (16. Qf4 $1 $16 {1.31/27}) 16... Bxf6 {0.00/34} (16... gxf6 $15 {-0.64/25} 17. Nd7 Qc7) 17. Nd7 Bd8 $2 {3.82/31} (17... Qc6 $15 {-0.36/27 stays ahead.}) 18. Rxe6+ $4 {-4.48/29} (18. Qc3 $18 {3.82/31 and all is fine.} Bf6 19. Nxf6+ gxf6 20. Qxf6) 18... fxe6 $19 19. Qxe6+ {-5.90/31} (19. f3 $142 { -4.17/30}) 19... Be7 {Accuracy: White = 20%, Black = 10%.} 0-1 [Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2011.08.13"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "1/2-1/2"] [ECO "A00"] [WhiteElo "1430"] [BlackElo "1575"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "103"] [EventDate "2011.??.??"] [EventType "blitz"] [TimeControl "180"] [WhiteClock "0:03:00"] [BlackClock "0:03:00"] 1. Nf3 {0} d5 {0} 2. Nc3 {2} c5 {4 A00 Irregular Openings} 3. e4 {1} d4 {7} 4. Nd5 {2} (4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Ne2 Nc6 7. d3 e5 8. O-O Bd6 9. Nd2 Nge7 10. Nc4 Bc7 11. a4 O-O 12. Ng3 f6 13. Bd2 b6 14. Qb1 Nb4 15. Ne2 Nec6 16. Nc1 Rad8 17. Nb3 Qe7 18. f3 Rf7 {Bellon Lopez,J (2395)-Kurajica,B (2515) Karlovac 1979 0-1 (56)}) (4. Ne2 Nc6 5. c3 Nf6 6. Ng3 a6 7. Qc2 h5 8. h4 g6 9. cxd4 cxd4 10. Bc4 e6 11. a3 Bg7 12. d3 Qc7 13. Bd2 Bd7 14. Ba2 Rc8 15. Rc1 Qb8 16. Qb1 Ng4 17. Ne2 O-O 18. Bf4 Nge5 {Brito,L (2249)-Zini,J (2077) Sao Paulo 2017 1/ 2-1/2 (46)}) 4... e6 {3} 5. Bb5+ $146 {2} (5. Nf4 Nc6 6. Bb5 Bd7 7. O-O Qc7 8. d3 Bd6 9. Nh5 O-O-O 10. Re1 g6 11. Ng3 Nge7 12. Bg5 Bxg3 13. hxg3 e5 14. Bf6 Rhe8 15. Bxc6 Bxc6 16. Nxe5 Rd6 17. Bxe7 Qxe7 18. Nxc6 bxc6 19. Qg4+ Re6 { Wessel,J (1563)-Hilverda,A (1766) Winterberg 2002 1/2-1/2}) 5... Bd7 {2} 6. Bxd7+ {3} Qxd7 {-0.03/27 1} (6... Nxd7 $17 {-1.12/24} 7. Nf4 g5) 7. Nf4 $11 {4} Bd6 {0.04/27 8} ({Black should try} 7... Nc6 $17 {-0.80/25}) 8. e5 {-0.55/26 3} (8. d3 $11 {0.04/27}) 8... Bc7 $15 {2} 9. O-O {3} Nc6 {1} 10. Re1 {2 [#]} Nge7 {-0.25/26 4} ({Black should play} 10... O-O-O $1 $17 {-0.85/22}) 11. d3 { -0.84/22 1} (11. c4 $11 {-0.25/26}) 11... O-O-O $17 {5} 12. Bd2 {-1.02/25 13} ( 12. Rb1 $15 {-0.60/30 deserves consideration.}) 12... Ng6 {1} 13. Nxg6 {11} hxg6 {0} 14. a3 {-1.30/26 13} (14. h3 $142 {-0.79/28}) 14... Rh5 {2} 15. b4 { -1.49/26 2} (15. Bg5 $142 {-1.06/27}) 15... cxb4 {-0.23/28 8} ({Not} 15... Bxe5 16. b5 $14) (15... Nxe5 $17 {-1.49/26} 16. Ng5 Qe7) 16. axb4 $11 {2} Nxe5 { 0.00/31 4 [#]} (16... Kb8 $15 {-0.70/24}) 17. Bf4 $2 {-3.93/24 36} (17. Rxe5 $1 $11 {0.00/31 and White is okay.} Bxe5 18. g4 Bxh2+ 19. Nxh2) 17... Nxf3+ $19 {3 } 18. Qxf3 {1} Kb8 {-1.82/29 25} (18... Rf5 $142 {-4.24/24} 19. Bxc7 Rxf3 20. Bxd8 Rf5) 19. Reb1 {20} Rdh8 {4} 20. h3 $2 {-3.41/29 2} (20. Bxc7+ {-1.86/33} Qxc7 21. h3) 20... Rf5 {15} 21. Bxc7+ {8} Qxc7 {1} 22. Qe4 {7} Qf4 {11} 23. Qxf4+ {5} Rxf4 $17 {1 Endgame KRR-KRR} 24. Ra5 {-2.06/30 2} (24. Ra2 $17 { -1.52/36 was worth a try.}) 24... Rh5 {6} 25. Rba1 {4} Rxa5 {2} 26. Rxa5 {2} Rf5 {14} 27. Rxf5 $2 {-9.30/31 2} (27. Ra4 {-1.82/34}) 27... gxf5 $19 {2 KP-KP} (27... exf5 $2 28. Kf1 $19) 28. f4 {1} Kc7 {2} 29. Kf2 {1} Kc6 {1} 30. Kf3 {1} f6 {1} 31. g4 {1} fxg4+ {2} 32. hxg4 {1} g6 {4} 33. Ke4 {2} Kb5 {8} 34. Kxd4 {1 } Kxb4 {1} 35. g5 {1} fxg5 {6} 36. fxg5 {1} a5 {2} 37. Ke5 {1} a4 {1} 38. Kxe6 {0 K3P-K3P} a3 {1} 39. Kf6 {0} a2 {1} 40. Kxg6 {0} a1=Q {2} 41. Kh7 {0} Qe5 {5} 42. g6 {0} Qe7+ {1} 43. g7 {0} Kc5 {1} 44. Kh8 {1} Qe8+ $2 {0.00/42 1} (44... Qf6 {-#11/49 mates} 45. Kh7 Qf5+ 46. Kh6 Qg4 47. Kh7 Qh5+ 48. Kg8 Kd6 49. Kf8 Qf5+ 50. Kg8 Ke6 51. Kh8 Qh5+ 52. Kg8 Kf6 53. d4 Qf7+ 54. Kh8 Qxg7#) 45. g8=Q $11 {1} Qxg8+ {1} 46. Kxg8 {1 KPP-KP} Kd4 {0} 47. Kf7 {0} Kc3 {0} 48. Ke7 {1} Kxc2 {0} 49. Kd6 {0} Kxd3 {0 ( -> ...Kd4)} 50. Kc5 {0} b5 {1} 51. Kb6 $4 { -#11/60 0} (51. Kxb5 $11 {0.00/36} Ke4) 51... b4 {0} 52. Kb5 {0 Black ran out of time and White has no material to mate. Accuracy: White = 32%, Black = 52%. . An unexpected result.} 1/2-1/2

A00 Irregular Openings (1.g3 d5 2.Bg2 c6 3.d3 e5 4.Nf3 Bd6)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2003.02.07"] [Round "?"] [White "Roxy"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "57"] [EventDate "2.??.??"] 1. g3 d5 2. Bg2 c6 3. d3 e5 4. Nf3 Bd6 {A00 Irregular Openings} 5. e4 Nf6 { 0.05/25} (5... Ne7 $15 {-0.59/21}) 6. Nc3 {-0.47/24} ({White should try} 6. O-O $11 {0.05/25}) 6... d4 $15 (6... h6 7. O-O O-O 8. Re1 Re8 9. h3 d4 10. Nb1 c5 11. a4 Nc6 12. Nh2 a6 13. f4 Bd7 14. Rf1 b5 15. Nd2 Rc8 16. b3 Nb4 17. axb5 axb5 18. Ndf3 Nc6 19. Rf2 c4 20. bxc4 bxc4 21. fxe5 {Hickl,J (2560)-Macieja,B (2627) Kallithea 2003 1/2-1/2 (80)}) (6... Bg4 7. h3 Bh5 8. Bg5 d4 9. Ne2 h6 10. Bd2 Na6 11. O-O Qd7 12. g4 Bg6 13. Nh4 Bh7 14. Nf5 Bxf5 15. gxf5 g5 16. fxg6 fxg6 17. f4 O-O-O 18. fxe5 Bxe5 19. Bf4 Qd6 20. Qd2 Nc5 21. Bxe5 { Kubrican,A (1876)-Bencik,P (1995) Slovakia 2017 0-1 (39)}) 7. Bg5 $146 { -4.05/21} (7. Ne2 $11 {-0.16/26 and White has nothing to worry.} c5 8. O-O Nc6 9. Nd2 {1/2-1/2 (9) Seres,L (2424)-Werner,D (2334) Budapest 2005}) 7... O-O $2 {-0.54/27} (7... dxc3 $19 {-4.05/21} 8. bxc3 h6) 8. Ne2 {Black is slightly better.} Nbd7 {-0.08/26} (8... h6 $17 {-1.00/24} 9. Bxf6 Qxf6) 9. Nexd4 $2 { -2.94/22} (9. c3 $11 {-0.08/26 and White is okay.}) 9... exd4 $19 10. Kf1 $2 { -3.89/26} (10. Nxd4 {-2.16/26} Be5 11. c3) 10... c5 11. Rb1 Ne5 12. h3 Nxf3 13. Bxf3 Be6 14. Rc1 Be7 15. Kg1 Qd7 16. Qd2 Bxh3 17. Re1 {-4.91/23} (17. Rxh3 $142 {-3.25/30} Qxh3 18. e5) 17... Bg4 18. Bg2 Ne8 19. Bxe7 Qxe7 20. f3 Be6 21. Bh3 Bxh3 22. Rxh3 Qe6 23. Kg2 Qxa2 24. Reh1 Nf6 $2 {0.00/29} (24... Qxb2 $19 { -4.88/24 aiming for ...h6.} 25. Rxh7 f6) 25. e5 $11 Nd5 ({But not} 25... Qxb2 $2 26. exf6 Qc3 27. Qc1 $18) 26. Rxh7 Ne3+ $2 {#5/21 [#]} (26... f6 $11 { 0.00/36} 27. e6 g5) 27. Qxe3 $1 {White mates.} g6 (27... dxe3 28. Rh8#) 28. Rh8+ Kg7 29. Qh6# {Accuracy: White = 11%, Black = 17%.} 1-0 [Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2011.06.19"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1439"] [BlackElo "1575"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "72"] [EventDate "2011.??.??"] [EventType "blitz"] 1. g3 d5 2. Bg2 c6 3. d3 e5 4. Nf3 Bd6 {A00 Irregular Openings} 5. Bg5 $146 (5. Nc3 Ne7 6. e4 d4 7. Ne2 f6 8. O-O Be6 9. Ne1 c5 10. f4 Nbc6 11. Nf3 h6 12. f5 Bf7 13. g4 c4 14. Ng3 Qb6 15. Rf2 Rc8 16. Bf1 cxd3 17. cxd3 a5 18. Rg2 Qa6 19. Nh5 Rg8 {Robatsch,K-Pirc,V Ljubljana 1955 1/2-1/2}) (5. e4 Ne7 (5... dxe4 6. dxe4 f6 7. O-O Be6 8. Be3 Ne7 9. Nbd2 O-O 10. Qe2 Nc8 11. Nh4 Rf7 12. Nf5 Bf8 13. Bh3 Qe8 14. Rfd1 Na6 15. Nc4 Nc7 16. Bg2 Rd7 17. Rxd7 Qxd7 18. Rd1 Qf7 19. Na5 Nb5 20. Qg4 {Suttles,D-Barcza,G Zagreb 1972 1-0 (35)}) 6. O-O O-O 7. Re1 d4 8. Nbd2 Bc7 9. Nc4 b5 10. Ncd2 a5 11. a4 Na6 12. Nb3 Rb8 13. Bf1 Be6 14. Ng5 Bd7 15. c3 bxa4 16. Rxa4 c5 17. Ra3 Nc8 18. Qh5 h6 19. Nf3 a4 {Hickl,J (2540) -Lobron,E (2620) Germany 1993 1-0 (40)}) (5. Nbd2 Be6 6. O-O Nd7 7. e4 h6 8. d4 Qf6 9. exd5 cxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. c3 Ne7 13. Nf3 Bc7 14. Qa4+ Bd7 15. Qb3 Bb6 16. Bf4 O-O 17. Be5 Qc6 18. Bd4 Bc7 19. Ne5 Bxe5 {Van Schoor, C-Higashi,K Siegen 1970 1-0 (78)}) 5... f6 {-0.44/27} (5... Qb6 $17 {-0.88/24}) 6. Bd2 $15 Be6 {-0.44/28} (6... Na6 $17 {-1.06/23}) 7. e4 {-0.97/23} (7. a4 $15 {-0.44/28}) 7... Nd7 {0.10/28} ({Better is} 7... Ne7 $17 {-0.97/23}) 8. O-O { -0.35/24} (8. Qe2 $11 {0.10/28 deserves consideration.}) 8... Ne7 9. exd5 { -0.85/23} (9. Re1 $11 {0.00/25}) 9... Nxd5 {0.53/23} (9... cxd5 $17 {-0.85/23} 10. Nc3 a6) 10. d4 {-0.09/26} (10. c4 $14 {0.53/23}) 10... O-O 11. dxe5 { -0.46/25} (11. Re1 $11 {0.24/26}) 11... Nxe5 {0.13/27} (11... Bxe5 $15 { -0.46/25} 12. Nxe5 Nxe5) 12. Nc3 $1 $11 Nb6 {0.31/31} (12... Re8 $11 {-0.20/26} ) 13. Qe2 $2 {-2.79/22} (13. Ne4 $14 {0.31/31}) 13... Bg4 $2 {-0.34/28} (13... Bc4 $19 {-2.79/22} 14. Qe4 f5) 14. Rad1 {-1.48/26} ({White should try} 14. Bf4 $1 $15 {-0.34/28}) 14... Re8 $17 {Strongly threatening ...Nxf3+.} 15. Be3 {[#]} Qc7 {-0.91/32} ({Black should play} 15... Qe7 $1 $19 {-1.69/26} 16. h3 Nxf3+ 17. Bxf3 Bxh3) 16. Ne4 Bf8 17. Bf4 {-1.74/29} (17. Rfe1 $17 {-0.85/29}) 17... Nxf3+ $2 {0.18/26} (17... f5 $19 {-1.74/29} 18. Ned2 Nxf3+ 19. Nxf3 Rxe2 20. Bxc7 Rxc2) 18. Bxf3 $11 Bxf3 19. Qxf3 (19. Bxc7 $2 {loses.} Bxe2 20. Nd2 Bxd1 $19) 19... Qf7 20. Rfe1 Qxa2 21. b3 Qxc2 $2 {1.54/26} (21... Qa5 $15 {-0.31/30 stays ahead.}) 22. Rd2 $16 {[#]} Qxe4 $4 {9.18/26} (22... Rxe4 $1 $16 {1.21/34} 23. Rxe4 (23. Rxc2 Rxe1+ 24. Kg2 Ree8 $15) 23... Qb1+ 24. Rd1 Qc2) 23. Rxe4 $18 Nd5 24. Rxe8 Rxe8 25. Rxd5 cxd5 26. Qxd5+ Kh8 27. Bd6 Rd8 28. Qf7 Bxd6 29. Qxb7 {Endgame KQ-KRB} Bc5 30. Kg2 Bb6 31. b4 h6 32. Qf7 $2 {0.78/36} (32. f4 $18 { 3.09/29}) 32... Kh7 $2 {3.09/30} (32... Rd2 $16 {0.78/36}) 33. h4 $2 {0.97/38} (33. f4 $18 {3.09/30}) 33... Rd4 {2.07/33} (33... Rd2 $16 {0.97/38}) 34. h5 { 0.97/45} (34. f4 $18 {2.07/33}) 34... Rd8 $2 {3.09/47} (34... Rd2 $16 {0.97/45 is a better defense.}) 35. Qg6+ Kg8 36. Qe4 $2 {1.07/43} (36. f4 $18 {3.09/41 is more deadly.}) 36... Rc8 $2 {19.47/31 Accuracy: White = 24%, Black = 17%. . Loss on time!?} (36... Rd2 $16 {1.07/43}) 0-1

A00 Irregular Openings (1.Nf3 d5 2.Nc3)

[Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2011.06.13"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1427"] [BlackElo "1599"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "44"] [EventDate "2011.??.??"] [EventType "blitz"] 1. Nf3 d5 2. Nc3 {A00 Irregular Openings} d4 3. Ne4 Nc6 (3... f5 4. Ng3 Nf6 5. e3 dxe3 6. dxe3 Qxd1+ 7. Kxd1 g6 8. Bc4 Bg7 9. Ng5 Nc6 10. Bf7+ Kf8 11. Be6 h6 12. Bxc8 Rxc8 13. Ne6+ Kf7 14. Nxg7 Kxg7 15. Ke2 Rhd8 16. Bd2 e5 17. Rhd1 Kf7 18. a3 {Mikhaletz,L (2485)-Moiseenko,A (2581) Ordzhonikidze 2001 1-0 (54)}) ( 3... e5 4. Nxe5 Bf5 5. Ng5 f6 6. Ngf7 Qd5 7. Nxh8 fxe5 8. f3 Be7 9. e4 Bh4+ 10. g3 Qa5 11. exf5 Bg5 12. f4 exf4 13. gxf4 Bh4+ 14. Ke2 Qb5+ 15. d3 Nc6 16. c4 Qxf5 17. Kd2 O-O-O 18. Kc2 {Wagner,F-Ranches,L Bad Soden 2017 0-1 (38)}) 4. e3 $146 (4. c3 e5 5. Qa4 Bd7 6. Qb3 Na5 7. Qc2 Nc6 8. e3 dxe3 9. Bc4 exf2+ 10. Kxf2 f6 11. Qb3 Nh6 12. d3 Na5 13. Qc2 Nxc4 14. dxc4 Nf7 15. Be3 Be7 16. Rad1 Qc8 17. Nc5 Bc6 18. Rhf1 O-O {Glacner,K (1600)-Bata,J Brno 2012 0-1 (54)}) 4... dxe3 5. fxe3 e5 {0.21/24} (5... f5 $15 {-0.32/26} 6. Nc3 e5) 6. Bb5 {-0.45/29} (6. Bc4 $11 {0.21/24}) 6... Qd5 $2 {1.07/24} (6... f5 $15 {-0.45/29 keeps the upper hand.} 7. Ng3 Bd6) 7. Nc3 $16 Qd6 8. O-O {White is better.} Nf6 {1.10/22} (8... Bg4 $14 {0.53/28}) 9. d4 exd4 10. exd4 Bd7 {1.93/25} (10... Be7 $16 { 0.85/29}) 11. Re1+ $18 Be7 {[#]} 12. d5 {1.33/29} (12. g3 $1 $18 {1.78/25}) 12... Nb8 {2.44/26} (12... Nb4 $16 {1.33/29}) 13. Qe2 {And now Bf4! would win.} Bxb5 $2 {4.31/22} (13... a6 {2.38/29 is a better defense.}) 14. Nxb5 Qb6+ { 7.49/24} (14... Qd7 $142 {4.19/29} 15. Qxe7+ Qxe7) 15. Kh1 $2 {0.84/27} (15. Be3 $18 {7.49/24 and the rest is easy.} c5 16. Bf4 c4+ 17. Kh1) 15... O-O $16 16. Qxe7 Qxb5 17. Bg5 {-0.28/30} (17. Qxc7 $14 {0.64/30} Qxd5 18. b3) 17... Nxd5 $2 {1.37/30} (17... Nbd7 $1 $11 {-0.28/30}) 18. Qe5 $2 {-0.62/28} (18. Qe4 $16 {1.37/30}) 18... Nc6 $15 19. Qg3 {-1.16/26 [#]} ({White should play} 19. Qe4 $15 {-0.54/31} Nb6 20. a4) 19... Qxb2 {0.00/31} (19... f6 $1 $17 {-1.16/26} 20. Bh6 Rf7) 20. Rab1 {-1.48/25} (20. Rad1 $1 $11 {0.00/31}) 20... Qxc2 $17 21. Bh6 $2 {-4.34/24} (21. Rbd1 $17 {-1.51/29 was called for.} Ndb4 22. a3) 21... Qg6 $19 22. Qxg6 hxg6 {Accuracy: White = 9%, Black = 12%.} ({Less strong is} 22... fxg6 23. Bd2 $19) 0-1 [Event "ICC 10 0"] [Site "Internet Chess Club"] [Date "2014.11.18"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1480"] [BlackElo "1551"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "70"] [EventDate "2014.??.??"] [TimeControl "600"] 1. Nc3 d5 2. Nf3 {A00 Irregular Openings} d4 3. Ne4 Bf5 (3... f5 4. Ng3 Nf6 5. e3 dxe3 6. dxe3 Qxd1+ 7. Kxd1 g6 8. Bc4 Bg7 9. Ng5 Nc6 10. Bf7+ Kf8 11. Be6 h6 12. Bxc8 Rxc8 13. Ne6+ Kf7 14. Nxg7 Kxg7 15. Ke2 Rhd8 16. Bd2 e5 17. Rhd1 Kf7 18. a3 {Mikhaletz,L (2485)-Moiseenko,A (2581) Ordzhonikidze 2001 1-0 (54)}) ( 3... e5 4. Nxe5 Bf5 5. Ng5 f6 6. Ngf7 Qd5 7. Nxh8 fxe5 8. f3 Be7 9. e4 Bh4+ 10. g3 Qa5 11. exf5 Bg5 12. f4 exf4 13. gxf4 Bh4+ 14. Ke2 Qb5+ 15. d3 Nc6 16. c4 Qxf5 17. Kd2 O-O-O 18. Kc2 {Wagner,F-Ranches,L Bad Soden 2017 0-1 (38)}) 4. d3 $146 (4. Nc5 e5 5. Nb3 Nc6 6. g3 e4 7. Nh4 Be6 8. d3 Bxb3 9. axb3 exd3 10. cxd3 Bb4+ 11. Bd2 Bc5 12. Bg2 Nge7 13. O-O O-O 14. Qc1 Bb6 15. Be4 Re8 16. Bg5 Qd6 17. Bf4 Qe6 18. Qd1 Qf6 {Petrovcic,C-Jarc,J Nova Gorica 2010 1-0 (57)}) (4. Ng3 Bg6 (4... e6 5. c3 dxc3 6. bxc3 Bd6 7. Nxf5 exf5 8. Nd4 Ne7 9. Rb1 b6 10. e3 O-O 11. Qf3 Nd7 12. Nxf5 Ne5 13. Nxe7+ Qxe7 14. Qd1 Rad8 15. d4 Ng6 16. Qd3 Rfe8 17. g3 c5 18. Bg2 cxd4 19. cxd4 {Reufer,B (1651)-Deinert,W (1955) Duisburg 2005 0-1 (52)}) 5. c3 c5 6. Qb3 Qd7 7. cxd4 cxd4 8. Nxd4 e5 9. Nf3 Nc6 10. d3 Nf6 11. Bd2 Bc5 12. Rc1 Bb6 13. Rxc6 Qxc6 14. Nxe5 Bxf2+ 15. Kxf2 Qc5+ 16. d4 Qxd4+ 17. Qe3 O-O-O 18. Qxd4 Rxd4 {Sadilek,M (2141)-Ponjican,E (2128) Austria 2006 0-1 (35)}) 4... Qd5 5. Ng3 Bg6 {1.16/23} (5... Nc6 $14 {0.60/25}) 6. c3 {0.46/26} (6. c4 $16 {1.16/23} Qd6 7. Qb3) 6... dxc3 {1.40/23} (6... e5 $14 {0.46/26}) 7. bxc3 $16 e5 {2.06/22} (7... Nd7 $16 {0.92/26}) 8. Nh4 $2 { 0.49/26} (8. e4 $18 {2.06/22} Qa5 9. Qc2) 8... Ne7 {1.74/23} (8... Qc6 $14 { 0.49/26}) 9. Nxg6 {0.53/23} (9. e4 $18 {1.74/23} Qc6 10. Qc2 (10. Nxg6 hxg6 11. Bd2 Nc8 $14)) 9... Nxg6 {1.27/23} (9... hxg6 $14 {0.53/23} 10. e4 Qc6) 10. e4 { 0.81/26} (10. Rb1 $142 {1.27/23}) 10... Qd7 {2.08/21} (10... Qa5 $16 {0.81/26}) 11. Nf5 {0.98/25} (11. Rb1 $18 {2.08/21 and White stays clearly on top.}) 11... Nc6 {1.86/21} (11... Na6 $16 {0.98/25 was worth a try.}) 12. Qb3 {0.50/27} (12. Rb1 $18 {1.86/21}) 12... O-O-O {1.58/26} (12... Nf4 $14 {0.50/27}) 13. Rb1 Na5 14. Qc2 {0.87/27} (14. Qb2 $142 {1.56/25}) 14... Ne7 {1.53/25} (14... Nf4 $142 {0.87/27}) 15. Ne3 g6 {2.36/24} (15... Kb8 $16 {0.94/25}) 16. Bd2 $2 {0.82/25} (16. d4 $18 {2.36/24 is more deadly.}) 16... b6 {2.20/23 [#]} (16... f5 $16 { 0.82/25}) 17. c4 $2 {-0.84/23 [#]} ({Better is} 17. d4 $1 $18 {2.20/23}) 17... Nac6 {0.25/27} ({Black should play} 17... Nec6 $1 $17 {-0.84/23}) 18. Nd5 { -0.75/23} (18. g3 $11 {0.25/27}) 18... Nxd5 (18... Nd4 $5 19. Qb2 Nxd5 20. cxd5 f5 $15) 19. cxd5 Nd4 20. Qc4 {-0.49/26} (20. Qc1 $11 {0.00/27}) 20... Kb7 { 0.00/27} (20... c6 $15 {-0.49/26 should be considered.}) 21. Bc3 {-0.70/30} ( 21. f4 $11 {0.00/27}) 21... Bc5 $2 {3.89/26} (21... c6 $1 $15 {-0.70/30} 22. dxc6+ (22. Bxd4 cxd5 23. Qxd5+ Qxd5 $15) 22... Qxc6) 22. Bb4 $4 {-2.65/25} (22. Qxc5 $1 $18 {3.89/26 was the only winning move.} Ka8 23. Qc4 Nc2+ 24. Kd2) 22... Bxb4+ $19 23. Rxb4 Rc8 24. Ra4 $2 {-4.50/25} (24. Be2 {-2.05/28}) 24... b5 25. Qb4 $2 {-10.45/25} (25. Rb4 {-2.82/26}) 25... a6 $2 {-2.71/27} (25... Nc2+ {-10.45/25} 26. Kd2 Nxb4 27. Rxb4 a6) 26. Kd2 $2 {-5.70/25} (26. Qb2 { -2.71/27}) 26... c6 27. Ra3 cxd5 28. Qa5 Rc6 {And now ...Qg4 would win.} 29. f3 dxe4 30. fxe4 Rhc8 {( -> ...Qg4)} 31. h3 Rc2+ {Black mates.} 32. Ke1 R8c6 33. g4 Qe7 34. h4 Qf6 35. Rh2 Rxh2 {White resigns. Accuracy: White = 9%, Black = 21%.} 0-1

A00 Irregular Openings (1.b4 e5 2.Bb2 Bxb4)

[Event "FICS rated blitz game"] [Site "FICS freechess.org"] [Date "2011.06.13"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1437"] [BlackElo "1588"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "66"] [EventDate "2011.??.??"] [EventType "blitz"] 1. b4 e5 2. Bb2 Bxb4 {A00 Irregular Openings} 3. Bxe5 Nc6 4. Bxg7 Nf6 5. Bxh8 d5 (5... Kf8 6. c3 Ba5 7. Qa4 Kg8 8. Bxf6 Qxf6 9. Qg4+ Kh8 10. Nf3 Nb4 11. cxb4 Qxa1 12. Qd4+ Qxd4 13. Nxd4 Bxb4 14. Nc3 d6 15. g3 a5 16. e4 c5 17. Ndb5 Bxc3 18. dxc3 Be6 19. c4 Rd8 20. Bd3 {Kononenko,I (2036)-Lipov,A Khanty Mansiysk 2011 1-0 (32)}) 6. Nf3 (6. a3 Bd6 7. g3 Bg4 8. Bg2 Qe7 9. Nc3 O-O-O 10. Bxf6 { 1-0 (10) Hubers,D (1402)-Eelsingh,J (1093) Assen 2017}) 6... Bf5 7. Nc3 $146 ( 7. e3 Qd6 8. Bb5 O-O-O 9. Bxc6 Qxc6 10. Nd4 Bxc2 11. Nxc6 Bxd1 12. Nxd8 Kxd8 13. Bxf6+ Kd7 14. Kxd1 {1-0 (14) Acevedo,D-Mitchell,D San Fernando 1999}) 7... Qe7 8. Bxf6 {White is clearly winning.} Qxf6 9. Nxd5 Qd6 10. Nxb4 Nxb4 11. d3 O-O-O 12. g3 Re8 13. Bg2 Bg4 14. O-O Re6 15. a3 Nd5 16. e4 Ne7 17. Qc1 Kb8 18. Qb2 Nc6 19. Rab1 {[#]} b6 20. Qb5 Na5 21. Qxa5 Rf6 22. e5 Qe6 23. exf6 { White mates.} Qxf6 24. Qb5 Bxf3 25. Qe8+ Kb7 26. Bxf3+ Qxf3 27. Qe4+ Qxe4 28. dxe4 a5 29. Rfd1 Kc6 30. e5 Kc5 31. a4 Kc6 32. f4 Kb7 33. Rd7 Kc6 0-1

A00 Irregular Openings (1.a3 d5)

[Event "rated blitz match"] [Site "Free Internet Chess Server"] [Date "2011.02.27"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1393"] [BlackElo "1547"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "72"] [EventDate "2011.??.??"] 1. a3 {A00 Anderssen Opening} d5 {A00 Irregular Openings} 2. Nc3 e5 3. e4 d4 4. Nce2 c5 5. f4 Bd6 6. Nf3 exf4 7. d3 g5 8. h4 g4 9. Nd2 Nc6 10. Nc4 Bc7 11. Nxf4 Nf6 12. Be2 b5 13. e5 bxc4 14. exf6 Qxf6 15. O-O Bxf4 16. Rxf4 Qd6 17. Bxg4 Be6 $2 {7.50/22} (17... Ne5 $16 {1.13/6}) 18. Bxe6 $18 fxe6 19. Qh5+ Kd7 20. Rf7+ Ne7 21. Bf4 Qd5 22. Qxd5+ exd5 23. Re1 Rae8 24. Bg5 cxd3 25. cxd3 (25. Rexe7+ Rxe7 26. Rxe7+ Kc6 $18) (25. Bxe7 dxc2 26. Bg5+ (26. Bxc5+ Kc6 $11) 26... Kc6 $11) 25... h6 26. Bxe7 Kc6 27. Rc1 c4 28. dxc4 dxc4 29. Rxc4+ Kd5 30. Rc1 Ke6 31. Bf6 $2 {1.69/28} (31. Rg7 {7.68/24} Rhg8 32. Rc6+ Ke5 33. Rf7) 31... Kxf7 $18 32. Bxh8 ({Stronger than} 32. Bxd4 Rhg8 $11) 32... Rxh8 {[#]} 33. Rd1 { 0.52/33} (33. Rc6 $1 $18 {1.84/28}) 33... Rd8 $14 34. Rd3 {0.00/34} ({White should play} 34. Re1 $1 $14 {0.70/31}) 34... Ke6 $11 35. Kf2 Ke5 36. Kf3 Rf8+ 0-1

A00 Irregular Openings (1.g3 d5 2.Bg2 e5 3.d3 c5)

[Event "Pogo"] [Site "?"] [Date "2003.12.02"] [Round "?"] [White "zbau7"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1577"] [BlackElo "1819"] [Annotator "Vierjoki,T"] [PlyCount "106"] [EventDate "2003.11.13"] [EventType "blitz"] 1. g3 d5 (1... c5 2. Bg2 d5 3. d3 {1-0 (43) Bonke,H (1858)-Meinhardt,G (1707) Berlin 2010}) (1... e5 2. Bg2 {0-1 (39) Rivas Pastor,M (2530)-Illescas Cordoba, M (2625) Spain 1993}) 2. Bg2 e5 3. d3 c5 {A00 Irregular Openings} 4. e3 (4. e4 Nf6 5. Nc3 d4 6. Nce2 Nc6 7. f4 Bd6 8. Nf3 O-O 9. O-O Bd7 10. Kh1 Rc8 11. c3 dxc3 12. bxc3 Bg4 13. d4 cxd4 14. cxd4 Nxe4 15. fxe5 Be7 16. Be3 Nb4 17. Bg1 Qd7 18. Nf4 Nc3 {Rivas Pastor,M (2530)-Illescas Cordoba,M (2625) Spain 1993 0-1 (39)}) 4... Nc6 $146 (4... Nf6 5. h3 (5. Ne2 Nc6 6. O-O Be7 7. Nd2 O-O 8. a3 Bg4 9. Qe1 Qd7 10. f4 Bh3 11. fxe5 Nxe5 12. Nf4 Bxg2 13. Nxg2 Rfe8 14. Nf3 Bd6 15. Nxe5 Rxe5 16. Rxf6 gxf6 17. Qe2 Rae8 18. Nf4 Rg5 19. Nh5 Rg6 {Hinault, J (1480)-Guillot,M (1890) Hennebont 2006 1/2-1/2}) 5... Nc6 6. Nd2 Be7 7. b3 Be6 8. Bb2 O-O 9. Ne2 Rc8 10. O-O Qd7 11. Kh2 Ne8 12. f4 d4 13. e4 f5 14. fxe5 fxe4 15. Rxf8+ Bxf8 16. Nxe4 Nxe5 17. Bc1 Ng6 18. Qf1 Be7 19. Nf4 {Bonke,H (1858)-Meinhardt,G (1707) Berlin 2010 1-0 (43)}) 5. d4 cxd4 {-0.37/20} (5... e4 $17 {-1.04/19}) 6. exd4 $15 Nxd4 {Strongly threatening ...Bf5.} 7. Nf3 $2 { -2.05/17} (7. c3 $15 {-0.54/19} Nc6 8. Qxd5) 7... Nxf3+ {-1.14/20} (7... Bg4 $19 {-2.05/17 ...Qf6 is the strong threat.} 8. c3 Nc6) 8. Bxf3 {-1.78/19} (8. Qxf3 $17 {-1.14/20} Be6 9. Nc3) 8... e4 {-1.27/20} ({Better is} 8... Nf6 $19 { -1.78/19} 9. Bg5 e4) 9. Bg2 $17 Nf6 10. O-O Bc5 {-0.47/20 [#]} (10... Bg4 $17 { -1.37/17} 11. Qd4 Be7) 11. Bg5 {-1.36/18} (11. c4 $1 $15 {-0.47/20}) 11... Be6 {-0.78/18 [#]} ({Black should try} 11... Bg4 {-1.36/18} 12. Qd2 (12. Bxf6 Qd7 $11) 12... Qd7) 12. Nc3 {-1.48/20} (12. c4 $142 $1 {-0.78/18}) 12... d4 $2 { 1.10/20} (12... O-O $17 {-1.48/20 stays on course.} 13. Qd2 h6 14. Bxf6 Qxf6 15. Nxd5 Qe5) 13. Nxe4 Be7 14. Nxf6+ Bxf6 15. Bxf6 ({Worse is} 15. Bxb7 Bxg5 16. Bxa8 Qxa8 $17) 15... Qxf6 {[#]} 16. Bxb7 {0.95/23} (16. c3 $142 $1 {1.37/21 }) 16... Rb8 $16 17. Bc6+ {0.61/21} (17. Be4 $16 {1.19/19}) 17... Bd7 $2 { 4.45/18} (17... Kf8 $1 $14 {0.61/21}) 18. Re1+ $18 Kd8 19. Bxd7 Kxd7 20. b3 Rbc8 21. c4 Rhe8 22. Rxe8 Kxe8 {Endgame KQR-KQR} 23. Qe2+ Kf8 24. Rd1 Re8 25. Qd3 g6 26. Kg2 Rd8 27. Qf3 {1.61/24} (27. b4 $142 {2.71/18}) 27... Qe5 {2.53/20 } (27... Qe6 $142 {1.61/24} 28. c5 Kg7) 28. Rd3 Kg7 {2.01/21} (28... f5 $16 { 1.53/23} 29. Rd2 Qe7) 29. a4 a5 30. Qf4 {0.75/25} (30. Rd2 $142 {1.39/25}) 30... Qc5 {1.76/23} (30... Qxf4 $16 {0.75/25 might work better.} 31. gxf4 Kf6) 31. h4 {1.17/25} ({Don't take} 31. Rf3 $6 f5 $16) (31. g4 $18 {1.76/23}) 31... Rd7 32. Qg5 Qb6 {1.93/21} (32... Qc6+ $16 {1.11/27} 33. f3 Qe6) 33. Qb5 { 1.37/25} (33. Qe5+ $18 {1.93/21} f6 34. Qb5) 33... Qb7+ {2.25/21} (33... Qc7 $16 {1.37/25 was worth a try.} 34. h5 f5) 34. Kh2 {1.19/25} (34. Qxb7 $18 { 2.25/21} Rxb7 35. Kf3 (35. Rxd4 Rxb3 36. Rd5 Rc3 $18)) 34... Qxb5 $2 {3.43/22} (34... Qc7 $16 {1.19/25 was necessary.} 35. b4 axb4) 35. cxb5 $16 {1.72/26 KR-KR} (35. axb5 $142 {3.43/22 Black must now prevent b6.} Kf6 36. Kg2) 35... Kf6 $18 36. f3 {0.85/28} (36. Kg1 $18 {2.03/25 and White stays clearly on top.} ) 36... Ke5 $16 37. Kg2 Kd5 38. f4 $2 {-2.42/25 [#]} (38. g4 $16 {0.83/27 keeps the pressure on.}) 38... f5 $2 {0.25/28} (38... Ke4 $1 $19 {-2.42/25} 39. Rd1 d3) 39. Kf3 Kc5 {0.67/27} ({Black should play} 39... Rc7 $11 {0.00/29}) 40. g4 {0.00/28} (40. Rd2 $14 {0.67/27}) 40... fxg4+ 41. Kxg4 Re7 42. Kg5 Re3 43. Rd2 Rxb3 44. b6 $2 {-7.84/22} (44. h5 $11 {0.00/29}) 44... Rxb6 $19 45. Rc2+ Kd5 46. Kh6 Rb7 47. h5 gxh5 48. Kxh5 d3 49. Rd2 Kd4 50. f5 Ke3 51. Ra2 d2 52. Ra3+ Ke2 53. Ra2 Ke1 {Accuracy: White = 20%, Black = 32%.} 0-1 [Event "rated blitz match"] [Site "Free Internet Chess Server"] [Date "2011.02.26"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1385"] [BlackElo "1554"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "75"] [EventDate "2011.??.??"] 1. g3 d5 2. Bg2 e5 3. d3 c5 {A00 Irregular Openings} 4. Nd2 Nc6 5. e4 Nf6 { -0.09/26} (5... d4 $1 $17 {-0.85/21} 6. Ngf3 Be6 7. O-O f6 8. h3 Qd7 9. Kh2 Bd6 10. b3 Nge7 11. Nc4 Bc7 12. a4 O-O 13. Qe2 Kh8 14. Ba3 b6 15. Nh4 g5 16. Nf3 Ng6 17. Ng1 Rae8 18. Bc1 Kg7 19. Bf3 h6 20. Bg4 f5 {Pacuszka,T (2194)-Walewski, W (2071) Warszawa 2017 0-1 (63)}) 6. exd5 $146 {-0.53/26} (6. Ne2 $11 {-0.09/26 } dxe4 (6... Be7 7. O-O O-O 8. c3 Be6 9. Qc2 Qd7 10. Nf3 dxe4 11. dxe4 Rad8 12. b3 Qd3 13. Ne1 Qa6 14. h3 Bxb3 15. Qxb3 Qxe2 16. Qxb7 Rd6 17. Bf3 Qc4 18. Qb3 Qxb3 19. axb3 Rb8 20. Be3 Rxb3 21. Bxc5 {Makropoulou,M (2284)-Melia,S (2390) Kusadasi 2006 0-1 (48)}) 7. dxe4 Be7 8. O-O Be6 9. c3 Qd3 10. Re1 O-O-O 11. Nd4 Nxd4 12. Bf1 Qc2 13. cxd4 Qxd1 14. Rxd1 Rxd4 15. Re1 Rhd8 16. Nf3 Rxe4 17. Rxe4 Nxe4 18. Nxe5 Bf6 19. Nf3 Rd1 20. Kg2 Bh3+ 21. Kxh3 {Moeller,P (1961)-Pawlick, H (1950) Mecklenburg VP 2007 0-1}) (6. Nh3 Be7 7. f3 O-O 8. O-O b5 9. Nf2 c4 10. dxc4 dxc4 11. c3 b4 12. f4 Bc5 13. f5 Ba6 14. Kh1 Nd7 15. Qg4 f6 16. Nh3 Bb6 17. Qh4 Nc5 18. g4 Nd3 19. Nf3 bxc3 20. bxc3 Nxc1 {Vinoth Kumar,M (2140) -Sanjay,N (2343) Mumbai 2012 1-0 (39)}) 6... Nxd5 $15 7. Ngf3 {-0.91/23} (7. Nc4 $11 {-0.12/27}) 7... Be7 {-0.50/27} (7... Be6 $17 {-0.91/23}) 8. Nc4 { -1.16/26} (8. O-O $15 {-0.50/27}) 8... Bf6 $2 {0.55/25} (8... f6 $1 $17 { -1.16/26}) 9. O-O $14 O-O $1 10. Bd2 {-0.26/29} (10. Re1 $14 {0.66/24}) 10... Rb8 {0.43/27} ({Better is} 10... b5 $11 {-0.26/29} 11. Ne3 Be6) 11. Re1 { -0.12/26} (11. a4 $14 {0.43/27}) 11... Re8 $1 $11 12. a3 {-0.27/24} ({White should play} 12. a4 $14 {0.48/26}) 12... b5 13. Ne3 {aiming for Nxd5.} Nb6 { 0.44/25} (13... Be6 $11 {-0.17/27}) 14. b4 {-0.56/27} ({White should try} 14. h4 $14 {0.44/25}) 14... cxb4 {0.16/27} (14... c4 $1 $15 {-0.56/27}) 15. axb4 Be6 $2 {1.58/25 [#]} (15... Qd6 $11 {-0.07/28}) 16. Rc1 $2 {-0.66/23} (16. Ng5 $1 $16 {1.58/25}) 16... Qd6 {0.01/28} (16... Rc8 $15 {-0.66/23}) 17. h3 (17. c4 $5 e4 18. c5 Qxd3 19. cxb6 exf3 20. Bxf3 $11) 17... Nxb4 18. Ng4 Bxg4 $1 19. hxg4 {Threatening g5.} a5 $2 {2.12/21} (19... g6 $1 $15 {-0.53/27 keeps the upper hand.}) 20. g5 $18 {White has strong compensation.} Bd8 {[#]} 21. Bc3 $2 {-0.61/24} (21. Nxe5 $1 $18 {1.97/24} Rxe5 22. Rxe5 Qxe5 23. Bf4) 21... Nd7 $36 {Hoping for ...Na2. Black is pushing.} 22. d4 {-1.42/23 [#]} (22. Bxb4 $11 { -0.24/28} Qxb4 23. Re4) 22... e4 {-0.09/28} (22... Na2 $1 $17 {-1.42/23} 23. dxe5 Qe7) 23. Nh4 $2 {-2.90/25} (23. Bd2 $1 $11 {-0.09/28 and White has nothing to worry.}) 23... Bxg5 $19 24. Nf5 $2 {-4.64/27} (24. Bd2 {-2.23/28} Bxh4 25. Bf4) 24... Qf6 25. g4 $2 {-7.11/24} (25. Bxb4 {-3.49/27} Qxf5 26. Bd2) 25... Bxc1 26. Qxc1 Na2 27. Qb2 Nxc3 28. Qxc3 b4 29. Qc7 Nb6 30. Rxe4 Rec8 $2 { -1.84/31} (30... a4 {-4.93/25 And now ...a3 would win.} 31. Ne7+ Kf8) 31. Ne7+ Kf8 32. Nxc8 {-3.29/29} (32. Qh2 $142 {-1.88/31} Qh6 33. Nxc8 Qxh2+ 34. Kxh2 Rxc8 35. Re5) 32... Rxc8 33. Qb7 $2 {-6.97/26} (33. Qg3 {-2.87/30} Rxc2 34. g5) 33... Re8 $4 {4.96/26} (33... Rxc2 $19 {-6.97/26 avoids the disaster.} 34. Qb8+ Nc8) 34. Rxe8+ $18 Kxe8 35. Bc6+ Kd8 {#5/28} (35... Kf8 $18 {4.74/27} 36. Qb8+ Ke7 37. Qc7+ Kf8) 36. Qxb6+ {White mates.} Ke7 37. Qb7+ Kd6 38. Qd7# {Accuracy: White = 18%, Black = 28%.} 1-0

A00 Irregular Openings (1.Nc3 d5 2.e4 d4 3.Nce2 e5)

[Event "rated blitz match"] [Site "Free Internet Chess Server"] [Date "2011.02.18"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1358"] [BlackElo "1585"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "53"] [EventDate "2011.??.??"] 1. Nc3 d5 2. e4 d4 3. Nce2 e5 {A00 Irregular Openings} 4. f4 exf4 5. Nf3 (5. Nxf4 Nf6 6. d3 g5 7. Nfe2 h6 8. Nf3 c5 9. g3 Nc6 10. Bg2 Bg7 11. O-O Be6 12. a3 Qd7 13. Kh1 Ng4 14. Neg1 O-O 15. Qe2 f5 16. h3 Nf6 17. Nd2 Rae8 18. Kh2 Kh8 19. Rb1 a5 {Schatz,D (2203)-Richter,M (2427) Berlin 2009 0-1 (38)}) 5... c5 { -0.38/26} (5... Nc6 $17 {-1.12/24} 6. c3 dxc3 7. bxc3 g5) (5... Bg4 6. Nexd4 Bc5 7. Nb3 Bxf3 8. Qxf3 Qh4+ 9. g3 fxg3 10. hxg3 Qe7 11. Nxc5 Qxc5 12. c3 Ne7 13. d4 Qb6 14. Bg2 Nd7 15. O-O f6 16. Rf2 O-O-O 17. b4 h5 18. a4 g5 19. a5 Qc6 20. Rb1 {Chandler,P (2265)-Janke,C (1859) Frankfurt 2010 1-0 (46)}) 6. Nxf4 $15 Nc6 $146 {0.37/24} (6... Bd6 $15 {-0.38/26} 7. e5 Bc7) (6... Bg4 7. h3 Be6 8. Bb5+ Nc6 9. O-O Bd7 10. d3 Bd6 11. Nd5 Ne5 12. Nxe5 Bxe5 13. Qh5 Bf6 14. Bc4 Be6 15. Bf4 Rc8 16. Rae1 a6 17. Be5 Rc6 18. Bxf6 gxf6 19. g4 Kf8 20. Rf3 Qd6 21. Nxf6 {Fischer,P (1844)-Anker,D (1997) Templin 2004 1-0}) 7. Bb5 Qb6 { 1.47/23} (7... Bd6 $11 {0.00/27} 8. e5 Bb8) 8. Bxc6+ {0.18/27} (8. Nd5 $16 { 1.47/23} Qd8 9. O-O) 8... Qxc6 $11 9. O-O Bd6 $1 10. d3 {-0.37/28} (10. Nh5 $14 {0.68/28}) 10... Ne7 $15 11. e5 {-0.51/24} (11. c3 $11 {0.28/23}) 11... Bc7 12. e6 {-1.61/27} (12. c3 $11 {-0.20/26 and White has nothing to worry.}) 12... Bxe6 {-0.57/28} ({Resist} 12... fxe6 13. Ne5 $15) (12... O-O $19 {-1.61/27} 13. exf7+ Rxf7) 13. Ng5 $2 {-2.10/28 [#]} ({White should play} 13. Nxe6 $15 { -0.57/28} Qxe6 14. Ng5) 13... O-O-O $4 {1.61/24} (13... Bf5 $19 {-2.10/28 and all is fine. Hoping for ...h6.} 14. Qe2 Bd6) 14. Nfxe6 $18 fxe6 15. Nf7 Rhf8 $2 {2.85/25} (15... Nf5 $16 {1.32/30}) 16. Nxd8 Rxd8 17. Bf4 {1.59/27} (17. Bg5 $18 {3.05/22}) 17... Nd5 {2.16/27} (17... Bxf4 $16 {1.59/27 was called for.} 18. Rxf4 Nd5) 18. Bxc7 Qxc7 {1.97/26} (18... Ne3 $16 {1.38/26} 19. Qf3 Kxc7) 19. Qh5 {1.55/31} (19. Qg4 $18 {1.97/26}) 19... g6 20. Qg4 Ne3 {2.72/24} (20... Re8 $16 {1.51/33}) 21. Qxe6+ Kb8 22. Rf7 Qd6 23. Qxd6+ Rxd6 24. Rxh7 Nxc2 25. Rf1 {[#] Intending Rf8+ and mate.} Ne3 {#2/27} (25... a5 $18 {4.96/32} 26. Rc1 Nb4 27. Rxc5 Nxd3 28. Rxa5 Rc6) 26. Rf8+ Rd8 27. Rxd8# {Accuracy: White = 27%, Black = 20%.} 1-0

A00 Irregular Openings (1.Nc3 d5 2.e4 d4 3.Nd5 c6)

[Event "rated blitz match"] [Site "Free Internet Chess Server"] [Date "2011.02.09"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1390"] [BlackElo "1501"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "76"] [EventDate "2011.??.??"] 1. Nc3 d5 2. e4 d4 3. Nd5 c6 {A00 Irregular Openings} 4. Nf4 e5 5. Nfe2 (5. Nh5 Nf6 6. Ng3 Bd6 7. Be2 O-O 8. d3 Bd7 9. Nf3 Re8 10. Bd2 c5 11. c3 Nc6 12. a3 Qb6 13. b4 dxc3 14. Bxc3 cxb4 15. axb4 Bxb4 16. Bxb4 Qxb4+ 17. Nd2 Qe7 18. O-O Rac8 19. Nf3 a5 {Pivoda,S (1020)-Orgon,P (1402) Liptovsky Mikulas 2018 0-1 (44)}) 5... Bd7 $146 {0.06/29} (5... Nf6 $17 {-1.12/23} 6. d3 Bd6 (6... Be7 7. Nf3 Qc7 8. Bd2 O-O 9. g3 h6 10. Bg2 Be6 11. O-O Nbd7 12. c3 c5 13. c4 a6 14. b3 b5 15. a4 Rfb8 16. axb5 axb5 17. Rxa8 Rxa8 18. cxb5 Qb6 19. Nc1 Qxb5 20. Qc2 Rb8 21. Ne1 {Nguyen T Linh,D-Le,H Vung Tau 2004 0-1 (43)}) (6... Bg4 7. h3 Be6 8. Nf3 h6 9. Ng3 Nbd7 10. a3 Bd6 11. Bd2 O-O 12. c3 c5 13. Qc1 Re8 14. Bxh6 Kf8 15. Bg5 Be7 16. Bh6 Bd6 17. Bg5 Ke7 18. Nh5 g6 19. Nxf6 Nxf6 20. Qd1 Kd7 21. Qa4+ { Al Badi,A-Falkowski,K Dos Hermanas 2004 0-1 (47)})) (5... Bg4 6. d3 Bb4+ 7. Bd2 a5 8. Bxb4 axb4 9. g3 Qa5 10. Qd2 Qc5 11. Bg2 Qe7 12. Nf3 h6 13. O-O Nf6 14. Rfe1 Nbd7 15. b3 O-O 16. h3 Bh5 17. g4 Bg6 18. Qc1 Nh7 19. Qb2 Ra6 20. Rad1 { Tryggestad,L-Wadtland,F (1612) Helsingor 2012 0-1 (40)}) 6. f4 {-0.56/20} (6. Nf3 $11 {0.06/29}) 6... Bd6 {0.16/28} (6... Bg4 $15 {-0.56/20} 7. d3 Nd7) 7. Nf3 $11 exf4 8. Nexd4 {-0.31/25} (8. e5 $14 {0.42/25} Bg4 9. exd6 Bxf3 10. d3 ( 10. gxf3 Qh4+ 11. Ng3 fxg3 $15) 10... Qh4+ 11. Kd2 Bxe2 12. Qxe2+ Kf8 13. Qe4) 8... Qe7 {0.44/26} (8... g5 $15 {-0.31/25}) 9. Bc4 {-0.17/28} ({Better is} 9. Qe2 $14 {0.44/26}) 9... Qxe4+ 10. Kf2 $2 {-1.35/25 [#]} ({White should play} 10. Qe2 $11 {0.16/30} Qxe2+ 11. Nxe2) 10... Qg6 $1 $17 11. Re1+ Ne7 12. d3 { -1.91/22} (12. Qe2 $17 {-0.97/27}) 12... O-O {-0.74/27} (12... Qf6 $19 { -1.91/22 has better winning chances.} 13. Bd2 b5) 13. Kg1 {-2.01/24} (13. Ne2 $17 {-0.74/27 keeps fighting.}) 13... Nd5 14. Bxd5 cxd5 15. Nh4 $2 {-3.82/24 [#]} (15. Bd2 $17 {-1.53/30 is a better defense.}) 15... Qg4 $2 {0.19/28} ( 15... Qf6 $19 {-3.82/24} 16. Nhf3 g5) 16. Qxg4 $11 Bxg4 17. Nhf5 {-1.28/29} ( 17. Ndf5 $11 {0.21/30 remains equal.} Bc5+ 18. d4) 17... Bc5 $17 18. Bxf4 $2 { -5.30/23} (18. Kf1 $17 {-1.22/33 is tougher.}) 18... Bxf5 $1 $19 19. c3 Bxd4+ 20. cxd4 Nc6 21. Be5 Bxd3 22. Re3 Be4 23. Rf1 f5 24. Rg3 Nxe5 25. dxe5 Rae8 26. Rb3 b6 27. Ra3 Rf7 28. Rc1 h6 29. e6 Rxe6 30. Rc8+ Kh7 31. g3 Rd6 32. Re8 d4 { Black mates.} 33. Kf2 d3 34. Ke1 d2+ 35. Kd1 Rc7 36. Rxe4 fxe4 37. Rc3 Rxc3 38. bxc3 e3 {Accuracy: White = 13%, Black = 44%.} 0-1

A00 Irregular Openings (1.d3 e5)

[Event "rated blitz match"] [Site "Free Internet Chess Server"] [Date "2008.12.17"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [WhiteElo "1392"] [BlackElo "1580"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "58"] [EventDate "2008.??.??"] 1. d3 e5 {A00 Irregular Openings} 2. b3 d5 3. Bb2 (3. g3 Bd6 4. Bg2 c6 5. Nf3 Be6 6. O-O Nf6 7. Nbd2 O-O 8. Bb2 Nbd7 9. c4 d4 10. Ne4 Nxe4 11. dxe4 Rc8 12. Qd2 c5 13. e3 Qf6 14. Rac1 b6 15. a4 Rfd8 16. Ba3 Qe7 17. Rb1 a5 {Heck,A (997) -Voigt,A (1348) Germany 2017 0-1 (79)}) 3... Nc6 4. g3 Nf6 $146 (4... Bb4+ 5. Bc3 d4 6. Bxb4 Nxb4 7. a3 Nd5 8. Bg2 Ngf6 9. Nf3 Qd6 10. O-O O-O 11. Re1 Re8 12. Nh4 Be6 13. Bxd5 Bxd5 14. Nd2 Qe6 15. Ndf3 Qh3 16. e4 dxe3 17. Rxe3 h6 18. Qf1 Qxf1+ 19. Kxf1 {Martinez Arroyo,J-Pena Tellaeche,C (2026) Hermosillo 2001 1-0 (38)}) 5. Bg2 Bf5 {-0.01/29} (5... Bd6 $15 {-0.63/23}) 6. Nd2 $11 Bd6 { 0.40/27} (6... Bc5 $15 {-0.70/23}) 7. e3 {-0.85/22} (7. e4 $14 {0.40/27 keeps the upper hand.} dxe4 8. dxe4) 7... O-O {-0.23/27} (7... Qd7 $17 {-0.85/22}) 8. Ngf3 {-0.81/24} (8. h3 $11 {-0.23/27}) 8... Bg4 {0.21/23} (8... Re8 $17 { -0.81/24}) 9. h3 Be6 {0.37/23} (9... Bf5 $11 {-0.05/28 feels stronger.}) 10. O-O Qd7 {0.57/26} (10... h6 $11 {0.00/28}) 11. Ng5 {-0.35/26} (11. Kh2 $14 { 0.57/26}) 11... h6 {1.00/26} (11... Bf5 $1 $15 {-0.35/26}) 12. Nxe6 $16 Qxe6 13. c4 dxc4 {1.41/22} (13... Rfd8 $14 {0.62/30}) 14. Nxc4 Be7 15. Rc1 {0.96/29} (15. Kh2 $142 {1.43/24}) 15... Rad8 {1.59/26} (15... Rfd8 $142 {0.96/29}) 16. Qe2 {0.88/30} ({White should play} 16. Bxc6 {1.59/26} Qxc6 17. Nxe5) 16... Nb4 {2.03/23} (16... e4 $16 {0.88/30}) 17. Rcd1 {0.75/27} ({Stronger than} 17. Bxb7 Nxd3 18. Bg2 Nxc1 $15) (17. Nxe5 $18 {2.03/23} Nd7 18. d4) 17... c6 {2.00/26} ( 17... Nxa2 $16 {0.75/27} 18. Bxb7 (18. Bxe5 Nb4 $14) 18... Nd7) 18. Nxe5 Nxa2 19. Nc4 $2 {0.20/26 [#]} (19. Ra1 $18 {1.97/26} Nb4 20. Rxa7) 19... Nb4 { 0.93/28} (19... Nd5 $1 $11 {0.20/26 remains equal.}) 20. d4 {0.19/25} (20. Kh2 $16 {0.93/28}) 20... Nbd5 $2 {1.93/27} (20... Ne4 $11 {0.19/25}) 21. Ne5 { 0.87/30} (21. e4 $18 {1.93/27 is more deadly.}) 21... Nd7 {1.34/24} ({Better is } 21... Nb4 {0.87/30}) 22. Nxd7 {0.11/26} (22. e4 $16 {1.34/24} N5b6 23. d5 cxd5 24. exd5) 22... Rxd7 $11 23. e4 Nf6 $2 {1.70/27} (23... f5 $11 {0.06/26}) 24. e5 $2 {0.17/24} ({White should try} 24. Qc2 $18 {1.70/27}) 24... Nd5 25. f4 {0.12/30} (25. Qc4 $14 {0.58/26}) 25... Rdd8 $2 {3.14/27} (25... f5 $11 { 0.12/30 and Black is okay.}) 26. f5 $18 Qc8 {[#]} 27. f6 $1 Bb4 $2 {7.81/29} ( 27... gxf6 {3.03/29} 28. exf6 Bxf6) 28. fxg7 Kxg7 29. Rf6 $2 {2.15/30} (29. Qh5 {6.70/24} Qe6 30. Bxd5) 29... Ne7 $2 {19.26/25 Accuracy: White = 21%, Black = 3%. . Loss on time!?} ({Avoid the trap} 29... Nxf6 $2 30. exf6+ Kg8 31. Qh5 $18 ) (29... Be7 {2.15/30}) 0-1

A00 Irregular Openings (1.d3 d5)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2001.07.06"] [Round "?"] [White "Vierjoki, Timo"] [Black "Argyle"] [Result "1-0"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "171"] [EventDate "2001.07.05"] 1. d3 d5 {A00 Irregular Openings} 2. Nc3 (2. Nd2 g6 3. Ngf3 Bg7 4. c3 c5 5. e4 Nc6 6. Be2 Nf6 7. O-O O-O 8. Qc2 b5 9. Rd1 Qb6 10. a4 b4 11. exd5 Nxd5 12. Nc4 Qc7 13. Ne3 Nf4 14. Bf1 bxc3 15. bxc3 Ne5 16. Nxe5 Bxe5 {Najjar,A (2250) -Othman,A (2185) Dubai 1995 0-1 (55)}) 2... Na6 $146 (2... c6 3. Bf4 Nf6 4. Nf3 Nbd7 5. Qd2 Qb6 6. e3 e6 7. d4 Be7 8. O-O-O O-O 9. h4 a5 10. h5 h6 11. Na4 Qd8 12. c3 b5 13. Nc5 Nxc5 14. dxc5 Ba6 15. Bd3 Re8 16. Bc2 Bxc5 17. Qd3 {Marquez Ramos,I (1700)-Bernat Mor,J (1700) Barcelona 2014 0-1}) (2... Nf6 3. Bg5 (3. e3 Bg4 4. Be2 Bxe2 5. Ngxe2 e5 6. Ng3 c6 7. O-O Nbd7 8. a3 Qc7 9. e4 d4 10. Nce2 g6 11. f4 Bd6 12. f5 O-O-O 13. c3 c5 14. Bd2 Kb8 15. b4 h5 16. Bg5 Be7 17. h4 Ng8 {Moomina,M-Al Jeldah,F Guangzhou 2010 0-1 (45)}) 3... e6 4. f3 Nbd7 5. e4 c6 6. Qe2 Qa5 7. O-O-O dxe4 8. fxe4 Qxg5+ 9. Kb1 Bb4 10. Nf3 Qa5 11. Qd2 Bxc3 12. bxc3 O-O 13. Nd4 c5 14. Nb3 Qc7 15. c4 a5 16. a4 Nb6 17. Nxa5 {Ojeda Perez, J-Gimenez Aldecocea,J Las Palmas 2013 0-1}) 3. f3 Nb4 4. e4 Qd7 5. Nge2 b6 $2 { 1.99/20 [#]} (5... d4 $1 $11 {-0.28/24} 6. a3 Nc6) 6. Nf4 $2 {-0.59/24} (6. a3 $18 {1.99/20}) 6... a5 $2 {1.15/23} (6... d4 $1 $15 {-0.59/24 stays ahead.} 7. Nce2 e5) 7. Nfxd5 c6 $2 {5.54/21} (7... e6 $16 {0.75/28}) 8. Nxb6 $18 {White is clearly winning.} Qd4 9. Nxa8 Kd8 10. Qe2 f6 11. Be3 Qxe3 12. Qxe3 Nxc2+ 13. Kd1 Nxe3+ 14. Ke2 Nxf1 {4.22/29} (14... Nc2 {2.79/27 keeps fighting.} 15. Rc1 Nd4+ 16. Kd1 e5) 15. Rhxf1 ({But not} 15. Raxf1 e5 $18) 15... e6 16. Nb6 Ba6 17. Rac1 g5 18. Nca4 Bb4 {7.70/25} (18... Kc7 $142 {4.07/30} 19. Nc4 Bb5) 19. Rxc6 Ne7 20. Rxe6 Bb5 21. Rxf6 Ke8 22. Rc1 Rg8 23. Rc8+ $2 {2.09/26} (23. a3 { 9.65/21}) 23... Nxc8 24. Nxc8 {1.25/23} (24. Nc3 $18 {2.09/26} Bd7 25. Ncd5) 24... Rh8 $2 {6.65/24} (24... Bxa4 $16 {1.25/23} 25. Nb6 Bc2) 25. Nd6+ {2.66/27 } (25. Nc3 $142 {6.65/24}) 25... Ke7 26. Rf5 {1.82/27} (26. Nxb5 $142 {3.40/21} Kxf6 27. Nb6) 26... Bxd6 $2 {6.54/21} (26... Bxa4 {1.82/27} 27. Nc4 Bd7) 27. Rxb5 {Endgame KRB-KRN} Ke8 28. Rxa5 {[#] Hoping for Ra8+.} Bc7 29. Rd5 Bf4 30. b4 Bxh2 31. b5 h5 32. Rxg5 Bf4 33. Rf5 Bb8 34. b6 h4 35. b7 Rg8 36. Kf2 h3 37. gxh3 Ke7 38. Nc5 Ke8 39. a4 Rg7 40. a5 Rg8 41. a6 Ke7 42. Rd5 Rg6 43. Rd7+ Ke8 44. Ke3 Rg1 45. Rh7 Rb1 46. Rh6 Re1+ 47. Kd4 Rb1 48. h4 Rb4+ 49. Ke3 Kf7 50. Rh5 {74.88/28} (50. Rh8 $142 {#18/28} Ba7 51. d4 Rb1 52. Ra8 Kg6 53. Rxa7 Kh5 54. Ra8 Re1+ 55. Kf4) 50... Kg7 51. Rg5+ Kh7 52. h5 {62.54/29} (52. Nd7 $142 { #18/30} Ba7+ 53. Kf4 Kh6 54. Nf6 Bb8+ 55. Kf5 Rb5+ 56. Ke6 Rxg5 57. hxg5+ Kg6 58. Nd7) 52... Ba7 53. f4 Rb3 54. f5 {28.85/29} (54. Kd2 $142 {#20/26} Rb6 55. e5 Bb8 56. e6 Bxf4+ 57. Kc2 Rxe6 58. Nxe6 Bb8 59. Rg6) 54... Bxc5+ {KRB-KR} 55. Ke2 Rb2+ 56. Kf3 Ba7 57. f6 Rf2+ 58. Kg4 Rg2+ 59. Kh4 {64.09/28} (59. Kf5 $142 {#17/25} Rf2+ 60. Ke6 Rc2 61. f7 Rf2 62. Rg8 Kh6 63. f8=Q+ Rxf8 64. Rxf8) 59... Bf2+ 60. Kh3 {White mates.} Rxg5 61. b8=Q Rxh5+ {KQ-KRB} 62. Kg2 Rh6 63. Qd6 Be1 64. Qe7+ Kg6 65. Qg7+ Kh5 66. a7 Rg6+ 67. Qxg6+ Kxg6 68. a8=Q Bf2 69. Kxf2 Kxf6 70. Qd5 Kg7 71. Qf5 Kh6 72. Qa5 Kg7 73. Qa6 Kf7 74. e5 Ke7 75. d4 Kd7 76. e6+ Ke7 77. d5 Kf6 78. d6 Kxe6 79. Qc6 Kf6 80. d7+ Ke7 81. Qc7 Ke6 82. d8=Q Kf5 83. Qd5+ Kg6 84. Qcc6+ Kh7 85. Qdd7+ Kg8 86. Qcc8# {Accuracy: White = 46%, Black = 19%.} 1-0 [Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.06.04"] [Round "?"] [White "Raina"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "86"] [EventDate "2002.??.??"] 1. d3 d5 {A00 Irregular Openings} 2. d4 Nc6 (2... Nf6 3. Nf3 g6 (3... c6 4. Bf4 Bf5 5. e3 e6 6. Bd3 Bg4 7. Be2 Qb6 8. b3 c5 9. c3 Nc6 10. O-O Be7 11. Ne5 Bxe2 12. Qxe2 a5 13. Nxc6 bxc6 14. Nd2 O-O 15. Nf3 a4 16. Rab1 Ne4 17. Qc2 Rfc8 18. Be5 {Nielsen,B (1353)-Basson,H (1937) Helsingor 2017 0-1 (50)}) 4. e3 Bg7 5. Be2 O-O 6. O-O Nbd7 7. Nbd2 c5 8. b3 cxd4 9. exd4 b6 10. Bd3 Bb7 11. Qe2 e6 12. a4 Nh5 13. g3 Qc7 14. Ba3 Rfe8 15. Ba6 Bxa6 16. Qxa6 e5 17. dxe5 {Nikolaiczuk, L (2295)-Smyslov,V (2575) Dortmund 1986 0-1 (60)}) 3. Bf4 $146 (3. e3 e6 4. Bb5 a6 5. Bxc6+ bxc6 6. f4 Qh4+ 7. g3 Qh6 8. Na3 Bb4+ 9. Bd2 Bd6 10. Qe2 Nf6 11. O-O-O O-O 12. Nf3 Nh5 13. Ne5 Qf6 14. Qxh5 g6 15. Qe2 Qe7 16. Nxc6 Qe8 17. Ne5 Qd8 {Mourao Neto,F-Rocha de Souza,B Manaus 2010 1-0}) 3... Nf6 4. Qc1 Bf5 5. Nc3 Nxd4 6. Rb1 $2 {-9.78/23 [#]} (6. e4 {-3.04/24} dxe4 7. Be3) 6... Nxc2+ $19 7. Kd2 Nb4 8. Be5 {Black is clearly winning.} Bxb1 9. Nxb1 Rc8 10. Qd1 Nxa2 11. Qb3 $2 {-5.56/24 [#]} (11. Qa4+ {-3.42/26 was worth a try.} Qd7 12. Qxa2) 11... Ne4+ 12. Ke1 e6 13. Qa4+ c6 14. Bc3 {-16.48/26} (14. Qxa2 $142 {-5.17/25} Qg5 15. f4 Bb4+ 16. Nc3) 14... Naxc3 15. Nxc3 Nxc3 16. bxc3 Qb6 17. Kd1 Qb1+ 18. Kd2 g6 19. c4 Bh6+ 20. e3 d4 21. g3 dxe3+ {Black mates.} 22. fxe3 Rd8+ 23. Bd3 Qxd3+ 24. Ke1 Qd2+ 25. Kf1 Qc1+ 26. Ke2 Rd2+ 27. Kf3 Qf1+ 28. Kg4 f5+ 29. Kh4 Qg2 30. Nh3 Bg7 31. Kg5 h6+ 32. Kxg6 Qxh3 33. Qxc6+ bxc6 34. Kxg7 Rf8 35. Kh7 Rxh2 36. Rd1 Qxg3 37. Rg1 Rg2 38. Rxg2 Qxg2 39. c5 Qg5 40. e4 Qe7+ 41. Kxh6 Rg8 42. exf5 Qg5+ 43. Kh7 Qg7# 0-1 [Event "Yahoo"] [Site "?"] [Date "2004.04.14"] [Round "?"] [White "borisnektalov"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "58"] [EventDate "2004.04.14"] [EventType "blitz"] 1. d3 d5 {A00 Irregular Openings} 2. f3 (2. d4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Be2 O-O 6. O-O Nbd7 7. Nbd2 c5 8. b3 cxd4 9. exd4 b6 10. Bd3 Bb7 11. Qe2 e6 12. a4 Nh5 13. g3 Qc7 14. Ba3 Rfe8 15. Ba6 Bxa6 16. Qxa6 e5 {Nikolaiczuk,L (2295) -Smyslov,V (2575) Dortmund 1986 0-1 (60)}) 2... e5 3. e4 $146 (3. Be3 c5 4. Bf2 Be6 5. e3 Nc6 6. a3 f5 7. Ne2 Nf6 8. h3 h5 9. Nd2 g5 10. g3 Qb6 11. b3 O-O-O 12. Bg2 Kb8 13. c4 Qc7 14. Qc2 Qd7 15. O-O-O b6 16. f4 Bh6 17. Nf3 gxf4 { Gast,M (1708)-Kohlei,R (2051) Trier 2016 0-1 (43)}) 3... d4 4. Ne2 Nf6 5. Bg5 Be7 {-0.38/26} ({Black should play} 5... Nc6 $17 {-1.07/23}) 6. Nd2 {-1.03/26} (6. g3 $15 {-0.38/26}) 6... O-O {-0.42/28} (6... h6 $17 {-1.03/26} 7. Bxf6 Bxf6 ) 7. a3 c5 8. b3 {-1.15/26} (8. g3 $15 {-0.46/28}) 8... Nc6 {-0.67/26} (8... Qc7 $17 {-1.15/26}) 9. Nc4 {-1.35/26} ({Better is} 9. g3 $15 {-0.67/26}) 9... b5 10. Bxf6 {-2.30/26} (10. Nd2 $17 {-1.22/29}) 10... Bxf6 $19 ({Not} 10... gxf6 11. Nd2 $17) 11. Nd2 Be6 12. c4 $2 {-4.37/21 [#]} (12. g3 {-1.85/28}) 12... a6 13. g4 Qa5 14. b4 $2 {-5.60/24} (14. h4 {-2.74/26 might work better.}) 14... cxb4 15. axb4 Qxb4 16. Bh3 {-6.05/25} (16. h4 $142 {-3.93/24}) 16... Bg5 17. Ra2 {-8.65/22} (17. f4 $142 {-4.80/26} Bh4+ 18. Kf1) 17... bxc4 18. f4 exf4 19. Rf1 cxd3 20. Nxf4 Bxf4 21. Rxf4 Bxa2 22. Bg2 Ne5 23. g5 Rac8 24. g6 Nxg6 { Black mates.} 25. Rf5 Rc2 26. Rf2 Rfc8 27. Bh3 R8c7 28. e5 Rc1 29. Qxc1 Rxc1# { Accuracy: White = 5%, Black = 23%.} 0-1 [Event "Yahoo"] [Site "?"] [Date "2005.11.04"] [Round "?"] [White "crocodilde"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (5s)"] [PlyCount "94"] 1. d3 d5 {A00 Irregular Openings} 2. Nd2 e5 3. Nb3 $146 (3. e4 d4 4. Ngf3 Bd6 ( 4... Nc6 5. Be2 Be6 6. O-O Qd7 7. c3 O-O-O 8. Ng5 Nf6 9. Nxe6 Qxe6 10. Nc4 Kb8 11. Qa4 Nd7 12. a3 f6 13. Bd2 a6 14. b4 dxc3 15. Bxc3 Nd4 16. Bxd4 exd4 17. Qc2 Ne5 18. Nxe5 fxe5 19. Rfc1 {Giannoulaki,E (1153)-Diakouli,I (1071) Accra 2016 1-0 (44)}) 5. Be2 f6 6. O-O Be6 7. a3 Ne7 8. Nc4 Bc5 9. b4 Bd6 10. Nxd6+ Qxd6 11. Bd2 O-O 12. c3 dxc3 13. Bxc3 Rd8 14. d4 Qc6 15. Qd3 exd4 16. Nxd4 Qb6 17. Qe3 Bf7 {Weber,T (1379)-Richterova,J (1761) Brno 2018 1/2-1/2 (42)}) (3. Ngf3 Nc6 4. e4 Nge7 5. c3 g6 6. Be2 Bg7 7. b4 O-O 8. Bb2 Re8 9. O-O h6 10. Qc2 Be6 11. Nb3 b6 12. b5 Nb8 13. exd5 Nxd5 14. c4 Nf4 15. Bxe5 Bxe5 16. Nxe5 Bh3 17. Bf3 Bxg2 {Jacobsen,B (2280)-Rewitz,P (2245) Aarhus 1988 0-1 (59)}) (3. e3 Nf6 4. c4 Bd6 5. a3 a5 6. b3 Be6 7. cxd5 Nxd5 8. Qc2 Nc6 9. Ngf3 f6 10. Bb2 Qd7 11. Be2 O-O 12. O-O Rfd8 13. Kh1 Rac8 14. h3 Nce7 15. Rg1 b5 16. g4 Ng6 17. d4 c5 { Ristic,S (1914)-Foo,T (1788) Hamburgo 2017 1/2-1/2 (70)}) 3... c5 4. Bd2 Nc6 5. Nf3 Nf6 $2 {-0.86/18} (5... c4 $19 {-2.63/22} 6. dxc4 dxc4) 6. e3 {-1.99/18} ( 6. e4 $17 {-0.86/18}) 6... Be7 {-1.41/21} ({Black should play} 6... Bd6 $19 { -1.99/18} 7. e4 dxe4 8. dxe4 Nxe4) 7. Be2 {-1.89/19} (7. e4 $17 {-1.41/21 keeps fighting.}) 7... O-O 8. O-O {-2.22/19} (8. d4 $142 {-1.64/22}) 8... e4 9. dxe4 {-2.23/19} (9. Ne1 {-1.73/23 was worth a try.}) 9... dxe4 $19 ({Less strong is} 9... Nxe4 10. c4 $15) 10. Ng5 {-2.55/17} (10. Ne1 $142 {-1.82/21}) 10... h6 {-1.49/20} (10... Qd5 $19 {-2.55/17} 11. Nh3 Bxh3 12. gxh3 Rad8) 11. Nh3 $17 Bxh3 12. gxh3 Qd7 {-1.37/21} (12... Qd5 $19 {-1.91/19} 13. Kh1 Rad8) 13. Bg4 {-2.28/21} (13. f4 $17 {-1.37/21 is a better defense.}) 13... Qd6 { -1.16/23} (13... Nxg4 $19 {-2.28/21} 14. Qxg4 f5) 14. Kh1 {-1.82/19} (14. Bc3 $17 {-1.16/23} Nd5 15. Kh1) 14... Bd8 {-0.57/21} (14... Rad8 $19 {-1.82/19} 15. Bc3 Qc7) 15. Rg1 {-1.43/20} ({White should try} 15. Be1 $15 {-0.57/21} Qe7 16. f4) 15... Bc7 $40 {[#] Black is out for blood.} 16. Rg2 Ne5 {-0.97/22} (16... Rad8 $19 {-1.64/19} 17. Qe2 Ne5) 17. Bf5 $2 {-3.60/19} (17. f4 $17 {-0.97/22} Nfxg4 18. Qe2) 17... Nf3 $2 {-0.22/24} ({Better is} 17... Rad8 $19 {-3.60/19 Strongly threatening ...Nf3.} 18. Qg1 g6) 18. Bc3 $11 {Threatens to win with Qxd6.} Nxh2 $2 {#6/23 [#]} (18... Qe7 $15 {-0.40/24} 19. Qd7 Qxd7 20. Bxd7 Be5 21. Bxe5 Nxe5) 19. Bxf6 $2 {0.11/24} (19. Rxg7+ $1 {#6/23 mates} Kxg7 20. Qxd6 Bxd6 21. Rg1+ Bg3 22. Rxg3+ Nhg4 23. Rxg4+ Kh8 24. Bxf6#) 19... Qxf6 20. Bg4 $2 {-4.22/21} (20. Bxe4 $11 {0.11/24} Qe6 21. Nxc5 Qxh3 22. Qd7 Ng4+ 23. Kg1 Bh2+ 24. Kf1) 20... Nxg4 $2 {-1.25/24} (20... Rad8 $19 {-4.22/21} 21. Qe1 Nxg4 22. hxg4 b6) 21. Rxg4 $4 {-3.95/19} (21. Qxg4 $17 {-1.25/24 only move.} b6 22. Rag1 ) 21... Qe5 22. Rg2 Qxb2 23. Rb1 {-3.73/21} (23. Qd5 $142 {-2.24/22}) 23... Qe5 $19 24. Qg4 Rad8 25. Nxc5 b6 {-2.01/24} (25... f5 $142 {-3.49/19} 26. Qg6 Rd6) 26. Nxe4 $2 {-4.19/21} (26. Nd7 {-2.01/24 was called for.} f5 27. Nxe5 fxg4 28. Nxg4) 26... Rfe8 $4 {7.65/25} (26... f5 $19 {-4.19/21} 27. f4 Qe7) 27. Rbg1 $4 {-2.10/20} (27. f4 $18 {7.65/25 is the narrow road to win.} f5 28. Qg6 (28. fxe5 fxg4 29. Rxg4 Bxe5 $17)) 27... g6 28. Ng3 {-2.43/19} (28. f3 {-1.91/22 was necessary.}) 28... Rd2 29. f4 $2 {-4.33/19} (29. Qf3 {-1.99/24}) 29... Qxe3 30. Rxd2 Qxd2 31. Rg2 Re1+ 32. Kh2 Qxf4 33. Qxf4 Bxf4 34. Rf2 Bxg3+ 35. Kxg3 { Endgame KR-KR} Ra1 36. c3 Rc1 37. Rf3 Kg7 38. a3 g5 39. h4 f6 40. hxg5 hxg5 41. Kg4 Kg6 42. a4 Ra1 43. Rd3 Rxa4+ 44. Rd4 Rxd4+ {Black mates.} 45. cxd4 Kf7 46. Kf5 a5 47. d5 Ke7 {Accuracy: White = 11%, Black = 35%.} 0-1 [Event "Yahoo"] [Site "?"] [Date "2005.11.21"] [Round "?"] [White "mastmaulah"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (5s)"] [PlyCount "46"] 1. d3 d5 {A00 Irregular Openings} 2. b3 e5 3. Bb2 Bd6 4. g3 c5 $146 (4... f5 5. f4 Nc6 6. fxe5 Bxe5 7. d4 Bd6 8. Nf3 Nf6 9. Nc3 f4 10. Qd2 Ne4 11. Nxe4 dxe4 12. Ne5 e3 13. Qd3 Nb4 14. Qc4 Qf6 15. O-O-O c6 16. Nxc6 bxc6 17. Bg2 Bd7 18. d5 Qg6 19. Be4 {Konez,S (1517)-Koc,S (1756) Antalya 2017 1-0 (31)}) 5. Bg2 Nf6 {-0.47/24} (5... Ne7 $17 {-0.98/18}) 6. Nd2 $15 O-O {-0.46/24} (6... Nc6 $17 { -0.87/19}) 7. h3 {-0.96/20} (7. e4 $15 {-0.46/24}) 7... Nc6 {-0.30/21} (7... d4 $17 {-0.96/20}) 8. Ngf3 {-1.32/19} (8. e4 $11 {-0.30/21 remains equal.}) 8... Bf5 {-0.25/21 [#]} (8... h6 $17 {-1.32/19}) 9. e4 $1 $11 dxe4 (9... Be6 { with more complications.} 10. Ng5 d4 11. Nxe6 fxe6 12. O-O a6) 10. dxe4 Nxe4 $2 {2.75/21} (10... Be6 $1 $15 {-0.68/22}) 11. Nxe4 $2 {-1.41/22} (11. Nh4 $1 $18 {2.75/21}) 11... Bxe4 $17 12. Qe2 {-1.82/18} (12. O-O $17 {-0.94/19}) 12... Bxf3 {-0.42/22} ({Black should play} 12... f5 $19 {-1.82/18} 13. O-O Qe7) 13. Qxf3 $15 {[#]} Rb8 {-0.37/21} (13... e4 $1 $17 {-1.08/17} 14. Qe3 (14. Qxe4 Re8 ) 14... f5) 14. O-O {-0.80/21} (14. Qd3 $15 {-0.37/21}) 14... Nd4 {-0.13/23} ( 14... Qc7 $17 {-0.80/21}) 15. Bxd4 $2 {-1.66/19} (15. Qd3 $11 {-0.13/23 and White is okay.}) 15... cxd4 $19 (15... exd4 16. Rae1 $17) 16. Qh5 {-2.48/19} ( 16. c4 $17 {-1.46/23 was called for.}) 16... b6 17. Rae1 {-2.75/20} (17. Rad1 $142 {-1.71/23}) 17... Rc8 18. Re4 {-3.44/21} (18. Be4 $142 {-2.15/22} g6 19. Qh6) 18... Qf6 {-1.78/24} ({Don't play} 18... Rxc2 19. Rh4 $19) (18... f5 $142 {-3.44/21} 19. Rh4 h6 20. Bd5+ Kh8) 19. Rh4 Qg6 {Threatens to win with ...Qxh5. } 20. Qe2 $2 {-4.25/19} (20. Qg4 {-1.75/21}) 20... Rxc2 {[#]} 21. Qd1 {-4.35/19 } (21. Qxc2 $1 {-3.00/24 was necessary.} Qxc2 22. Be4) 21... Rxa2 22. Re1 { -6.09/19} (22. Bd5 $142 {-3.97/22}) 22... Qc2 $2 {-1.61/20} (22... f5 {-6.09/ 19 White must now prevent ...e4.} 23. Qb1 Ra3) 23. Be4 $2 {-#2/33} (23. Qxc2 $19 {-1.61/20} Rxc2 24. Be4) 23... Qxf2+ {Accuracy: White = 21%, Black = 13%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.15"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [BlackElo "1677"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "63"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. d3 d5 {A00 Irregular Openings} 2. Kd2 (2. d4 Nf6 3. Nf3 g6 4. e3 Bg7 5. Be2 O-O 6. O-O Nbd7 7. Nbd2 c5 8. b3 cxd4 9. exd4 b6 10. Bd3 Bb7 11. Qe2 e6 12. a4 Nh5 13. g3 Qc7 14. Ba3 Rfe8 15. Ba6 Bxa6 16. Qxa6 e5 {Nikolaiczuk,L (2295) -Smyslov,V (2575) Dortmund 1986 0-1 (60)}) 2... e5 3. b3 $146 (3. a3 Nf6 4. Kc3 Bd6 5. Kb3 Be6 6. Ka2 c5 7. h3 a5 8. Kb3 d4+ 9. c4 Qb6+ 10. Kc2 a4 11. e3 Nc6 12. e4 Na5 13. Nd2 Qc6 14. Qe2 b5 15. Kd1 bxc4 16. dxc4 Qb7 17. Ngf3 h6 { Sinclair,I-Knight,T Teeside 1973 1-0 (50)}) (3. Kc3 Nc6 4. Kd2 Nf6 5. h3 Bc5 6. e3 Be6 7. a3 d4 8. e4 a5 9. g3 b5 10. Ke2 Nd7 11. Bg2 Rb8 12. f4 exf4 13. gxf4 Qe7 14. Kf1 f6 15. b3 Nd8 16. Bf3 Bf7 17. Ne2 h5 {Zimbeck,D (2188)-Matson,D Los Angeles 2008 1-0 (44)}) 3... c5 4. Kc3 Nc6 5. Kb2 Qf6 {-0.85/25} (5... Be7 $19 {-2.30/23 is more deadly.} 6. e4 Nf6) 6. Bd2 {-2.24/24} (6. e4 $17 { -0.85/25}) 6... e4+ $1 $19 ({Less strong is} 6... Qxf2 7. Nc3 $15) 7. Bc3 { -2.22/23} (7. Nc3 $142 {-1.68/24}) 7... Qxf2 8. Nh3 {Black is clearly better.} Qf5 {-1.70/28} (8... Bxh3 $142 {-3.04/23} 9. gxh3 Nge7 10. dxe4 O-O-O) 9. dxe4 dxe4 $2 {0.18/27} ({Black should play} 9... Qxe4 $19 {-1.99/25} 10. Qd3 b5 $1 11. Qxe4+ dxe4) 10. Nd2 $2 {-3.14/25} (10. e3 $11 {0.18/27}) 10... Nf6 11. Nc4 $2 {-3.98/23} (11. g4 {-2.22/26} Nxg4 12. e3) 11... Be7 $2 {-0.36/29} (11... Nd5 $19 {-3.98/23} 12. g4 Qd7) 12. e3 $2 {-4.97/24} (12. Nd6+ $15 {-0.36/29} Bxd6 13. Qxd6) 12... O-O {-2.35/30} (12... Nd5 $142 {-4.97/24} 13. g4 Qe6) 13. Be2 $2 {-5.38/23} (13. Nd6 {-2.35/30 is more resistant.} Qe6 14. Nxc8 Qxc8 15. Nf4) 13... a6 $2 {0.51/29} (13... Nd5 $19 {-5.38/23} 14. Qd2 Nxc3) 14. Rf1 { -0.68/28} (14. Nb6 $14 {0.51/29} Rd8 15. Qe1) 14... Qe6 $2 {0.92/30} (14... Qd7 $15 {-0.68/28} 15. Nb6 Qxd1 16. Rfxd1 Rb8) 15. Ng5 $2 {-1.26/25} (15. Nb6 $16 { 0.92/30} Nb4 16. Nxa8) 15... Qd7 {-0.11/33} (15... Qd5 $17 {-1.26/25} 16. h4 Qxd1 17. Raxd1 Bg4 18. Bxg4 Nxg4) 16. Nb6 {-1.02/28} (16. Qxd7 $11 {-0.11/33} Bxd7 17. Bxf6 Bxf6+ 18. Rxf6 $1 gxf6 19. Nxe4) 16... Qxd1 $17 17. Raxd1 Rb8 $2 {0.37/30} (17... Bg4 $17 {-1.18/31} 18. Bxf6 Bxf6+ 19. Rxf6 Bxe2) 18. Bc4 { -0.81/27} (18. Rf4 $14 {0.37/30 stays ahead.}) 18... h6 {0.67/30} (18... Bg4 $17 {-0.81/27} 19. Rd2 h6 20. Bxf6 Bxf6+ 21. Rxf6 gxf6 22. Nxe4 Ne5) 19. Nh3 $2 {-1.61/26 [#]} (19. Nxf7 $1 $14 {0.67/30 keeps the upper hand.} Rxf7 20. h3) 19... Bxh3 {-0.12/30} (19... Ng4 $1 $19 {-1.61/26} 20. Rfe1 Bf5) 20. gxh3 $11 Rfd8 21. Nd5 Nxd5 $2 {1.72/26} (21... b5 $11 {0.00/34} 22. Bxf6 Bxf6+ 23. Nxf6+ gxf6) 22. Bxd5 $18 Rbc8 $2 {6.99/25} (22... Rxd5 {1.74/31} 23. Rxd5 Rd8 24. Rxd8+ Nxd8) 23. Bxf7+ $2 {1.90/29} (23. Rxf7 {6.99/25} Rxd5 24. Rxg7+ Kf8 25. Rxd5) 23... Kh8 24. Rg1 Rf8 $2 {7.94/28} (24... Bg5 $16 {1.26/31}) 25. Rxg7 Nd4 26. Rdg1 Bf6 27. R7g6 Rxf7 28. Rxh6+ Rh7 29. Rxf6 Rg8 30. exd4 $2 {0.00/27} ( 30. Rd1 $18 {8.40/27}) 30... cxd4 $2 {#3/29} (30... Rxg1 $11 {0.00/27} 31. Re6 (31. dxc5 Kg8 $11) 31... Rxh3) 31. Bxd4 Rd7 32. Rh6# {Accuracy: White = 10%, Black = 9%.} 1-0 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.08.29"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1715"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "52"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. d3 d5 {A00 Irregular Openings} 2. Nc3 d4 (2... Nf6 3. e3 c5 4. Nf3 Nc6 5. d4 Bg4 6. Be2 e6 7. Ne5 Bxe2 8. Nxe2 Bd6 9. f4 Ne4 10. Qd3 c4 11. Qd1 Rc8 12. b3 Bb4+ 13. c3 Nxc3 14. Nxc3 Bxc3+ 15. Bd2 Bxa1 {0-1 (15) Ruiz Tiestos,M-Gonzalez Ortega,P (1446) Ibiza 2014}) 3. Ne4 e5 4. e3 Nf6 $146 (4... f5 5. Ng3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nc6 8. e4 f4 9. N3e2 Be6 10. Nc1 Qd6 11. Nf3 Qb4 12. c3 dxc3 13. bxc3 Qe7 14. Be2 g5 15. d4 exd4 16. cxd4 g4 17. Ng1 Qb4 18. d5 O-O-O 19. Nd3 {Crist,K-Klein,N Lansing 1995 0-1 (42)}) 5. Nf3 Nxe4 {0.60/27} (5... dxe3 $11 {-0.24/27} 6. Bxe3 Nc6) 6. dxe4 $14 dxe3 {0.59/24} (6... Bb4+ $11 {0.12/27} 7. Bd2 Qd6) 7. Qxd8+ ({Much weaker is} 7. fxe3 Qxd1+ 8. Kxd1 f6 $15) 7... Kxd8 8. Bxe3 {White is slightly better.} Nc6 {0.84/26} (8... f6 $14 {0.36/28}) 9. O-O-O+ $16 Ke8 {1.01/25} (9... Bd6 $14 {0.57/30}) 10. Bc4 {0.41/27} (10. Bb5 $16 {1.01/25} f6 11. a3) 10... h6 {0.96/26} (10... Bd6 $14 {0.41/27}) 11. Rd2 { 0.48/27} ({White should try} 11. h4 $16 {0.96/26}) 11... Bg4 {1.16/24} (11... Bd6 $14 {0.48/27}) 12. Rhd1 {0.46/27} (12. Bd5 $16 {1.16/24}) 12... Bxf3 { 0.96/25} (12... Bd6 $14 {0.46/27}) 13. gxf3 Rd8 $2 {3.23/29 [#]} ({Better is} 13... Bd6 $1 $14 {0.62/26}) 14. Rxd8+ {1.40/29} (14. Bxf7+ $1 $18 {3.23/29} Ke7 (14... Kxf7 15. Rxd8) 15. Bd5) 14... Nxd8 15. Bxa7 b6 $2 {5.11/27} (15... Bd6 $16 {1.54/32 is more resistant.} 16. Be3 Ke7) 16. Bb8 Bd6 {With the idea ... Ke7.} 17. Bb5+ Ke7 {[#] White must now prevent ...Ne6.} 18. a4 $4 {-3.16/28} ( 18. Bxc7 $1 $18 {4.69/28 is the narrow road to win.} Bxc7 19. Rd7+ Kf6 20. Rxc7 ) 18... Ne6 $19 19. Ba7 {and the idea Bc6 leaves White hopeful.} Ra8 20. Bxb6 cxb6 21. b3 {-3.93/28} (21. c3 $142 {-2.76/28}) 21... Rd8 22. Rg1 $2 {-6.26/25} (22. c3 {-2.77/29}) 22... g6 23. Kb2 $2 {-6.17/29} (23. c3 {-3.36/28}) 23... Nd4 24. Rg3 Rc8 25. c3 Ne2 $4 {2.31/32} (25... Nxb5 $19 {-4.52/30 avoids the disaster.} 26. axb5 Bc5) 26. Rh3 $4 {-7.52/27} (26. Bxe2 $18 {2.31/32} Rd8 27. Kc2) 26... Nxc3 {Accuracy: White = 21%, Black = 5%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.09.14"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1720"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "58"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. d3 d5 {A00 Irregular Openings} 2. b3 e5 3. Bb2 d4 $146 (3... Bd6 4. g3 (4. Nc3 Nf6 5. g3 Be6 6. Bg2 Qd7 7. Nf3 d4 8. Ne4 Nxe4 9. dxe4 f6 10. O-O c5 11. e3 Nc6 12. exd4 cxd4 13. Nh4 g5 14. Nf5 Bxf5 15. exf5 Qxf5 16. c3 O-O-O 17. Bxc6 bxc6 18. cxd4 exd4 {Andrade,F (1730)-Folha,M (1876) Belem 2016 0-1}) 4... f5 5. f4 Nc6 6. fxe5 Bxe5 7. d4 Bd6 8. Nf3 Nf6 9. Nc3 f4 10. Qd2 Ne4 11. Nxe4 dxe4 12. Ne5 e3 13. Qd3 Nb4 14. Qc4 Qf6 15. O-O-O c6 16. Nxc6 bxc6 17. Bg2 Bd7 18. d5 {Konez,S (1517)-Koc,S (1756) Antalya 2017 1-0 (31)}) (3... Nc6 4. Nf3 f6 5. e3 Bb4+ 6. Nbd2 Be6 7. c3 Bd6 8. Be2 Nge7 9. g3 Qd7 10. a3 O-O 11. O-O Bh3 12. Re1 Rad8 13. a4 a5 14. Rc1 Ng6 15. Qc2 Nce7 16. Red1 Bg4 17. h3 Bxh3 18. c4 { Leclaire,I (782)-Puetzkaul,K (1863) Leverkusen 2007 0-1}) 4. e3 c5 5. Nf3 Nc6 6. Nbd2 {-0.90/25} (6. g3 $1 $11 {0.00/27}) 6... Nf6 {-0.30/26} (6... g6 $17 { -0.90/25}) 7. g3 {-0.88/24} (7. Nc4 $11 {-0.30/26}) 7... Bg4 {0.00/26} (7... Nd5 $17 {-0.88/24}) 8. Bg2 {-0.71/22} (8. h3 $11 {0.00/26} Be6 9. Ng5) 8... Be7 {0.00/28} (8... Nd5 $17 {-0.71/22}) 9. O-O {-0.87/24} (9. h3 $11 {0.00/28 keeps the balance.} Be6 10. Ng5) 9... O-O {-0.11/28} (9... Nd5 $17 {-0.87/24}) 10. h3 $11 Be6 {-0.19/27} (10... Bf5 $15 {-0.62/26}) 11. Nh2 {-1.47/24} (11. Ng5 $11 {-0.19/27 remains equal.}) 11... Qd7 $36 {-1.01/28 Black is on the roll.} (11... Qc7 $142 {-1.47/24}) 12. g4 {-1.93/21} (12. h4 $17 {-1.01/28}) 12... h6 {-1.37/29} (12... Nd5 $19 {-1.93/21} 13. Re1 Rad8) 13. e4 {-1.94/24} ( 13. Nc4 $17 {-1.37/29}) 13... Nh7 {-1.53/28} (13... g6 $19 {-1.94/24} 14. Ndf3 Kg7) 14. f4 {-2.25/24} (14. Ndf3 $17 {-1.53/28}) 14... exf4 $19 15. Rxf4 Ne5 16. Ndf3 {-2.98/23} (16. Rf1 $142 {-1.79/26}) 16... Bd6 {-1.45/28} (16... Ng6 $19 {-2.98/23} 17. Rf5 Qc7) 17. Nxe5 $17 Bxe5 18. Rf1 Qd6 {-0.80/28} (18... Ng5 $19 {-1.81/26 has better winning chances.} 19. Nf3 Bc7) 19. Nf3 Bg3 20. Qe2 { -1.37/25} (20. c3 $142 {-0.82/28}) 20... Qc7 {-0.69/28} ({Better is} 20... Rad8 $17 {-1.37/25} 21. Rad1 f6) 21. e5 {-1.88/25} (21. c3 $15 {-0.69/28}) 21... f6 $2 {-0.23/29} ({Black should play} 21... Rfe8 $19 {-1.88/25 Black wants to play ...Bd5.} 22. c3 dxc3 23. Bxc3 Bd5) 22. exf6 Rxf6 $2 {1.16/28 [#]} (22... Rae8 $15 {-0.41/28} 23. fxg7 Kxg7) 23. Nd2 $2 {-0.42/30} (23. Nxd4 $1 $16 { 1.16/28} cxd4 24. Rxf6 Bxg4 25. Qxg4 Nxf6 26. Qxd4) 23... Raf8 {0.62/28} (23... Bf4 $15 {-0.42/30}) 24. Ne4 {-0.28/29} (24. Rxf6 $1 $14 {0.62/28} Rxf6 25. Ne4) 24... Rxf1+ 25. Rxf1 Bh4 $2 {2.32/24 [#]} (25... Bf4 $15 {-0.44/31 keeps the upper hand.}) 26. Rxf8+ $2 {-0.03/29} ({White has to play} 26. Nxc5 $1 $18 { 2.32/24} Rxf1+ (26... Qxc5 27. Qxe6+) 27. Kxf1 Qf4+ 28. Kg1) 26... Kxf8 $4 { 3.37/24 [#]} (26... Nxf8 $11 {-0.03/29 and Black stays safe.} 27. c3 Ng6) 27. Bc1 $2 {0.81/33} (27. Nxc5 $1 $18 {3.37/24 and the rest is easy.} Qxc5 28. Qxe6 ) 27... Ng5 $2 {6.67/26} (27... Bf7 $16 {0.81/33}) 28. Bxg5 $2 {0.54/30} ({ White must play} 28. Nxg5 $18 {6.67/26} Bxg5 29. Bxg5 (29. Qxe6 Bxc1 30. Kh1 Bg5 $14)) 28... hxg5 $14 29. Qf3+ {0.00/32} ({White should try} 29. Nxg5 $14 { 0.55/32} Bf7 30. Nxf7 Qxf7 31. Be4) 29... Kg8 {Accuracy: White = 10%, Black = 4%.} 0-1

A00 Irregular Openings (1.f3)

Alternative name for this opening is A00 Gedult's Opening, which is the name for it you will get if you look this up at lichess.org.

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.06.04"] [Round "?"] [White "Clyde"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "26"] [EventDate "2002.??.??"] 1. f3 {A00 Irregular Openings} d5 2. g4 (2. d4 c5 3. e3 Nf6 4. Bb5+ Nc6 5. Ne2 e6 6. O-O Bd6 7. c4 O-O 8. cxd5 exd5 9. Nbc3 a6 10. Bd3 Qc7 11. dxc5 Bxh2+ 12. Kf2 Be5 13. Rh1 Ne7 14. Na4 Bf5 15. Bxf5 Nxf5 16. f4 Ne4+ {Gomez Jurado,L (2280)-Gonzalez Velez,F (2400) Barbera del Valles 1997 0-1}) 2... e6 $146 (2... e5 3. Nh3 Nc6 (3... h5 4. Nf2 Be6 5. e3 Qd7 6. g5 Bd6 7. Nc3 a6 8. d3 Nc6 9. a3 f6 10. gxf6 gxf6 11. Bd2 Nge7 12. Qe2 O-O-O {1/2-1/2 (12) Sieker,R (2014) -Paniflenko,W (1721) Willingen 2007}) 4. d3 Bc5 5. Ng5 h6 6. Nxf7 Kxf7 7. Bd2 Qh4# {0-1 (7) Haertel,V-Morhart,M Hessen 1994}) 3. Bg2 Qh4+ 4. Kf1 Bc5 5. d4 Bb6 6. b3 {-1.54/23} (6. Nh3 $15 {-0.55/28} Qd8 7. Nf4) 6... Nc6 $17 7. e3 e5 8. Qd2 {-2.68/25} (8. dxe5 $17 {-1.41/24} d4 9. exd4 Bxd4 10. Nh3) 8... exd4 $19 9. b4 $2 {-5.36/22 [#]} (9. exd4 {-2.47/25} Bxd4 10. c3) 9... dxe3 10. Ba3 exd2 {Black mates.} 11. Ke2 Qe1+ 12. Kd3 d1=Q+ 13. Nd2 Qexd2# 0-1 [Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2002.06.04"] [Round "?"] [White "Kamika"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "70"] [EventDate "2002.??.??"] 1. f3 {A00 Irregular Openings} e6 2. Nc3 Bb4 3. e3 Nc6 4. Nge2 d5 5. f4 Nf6 6. Rg1 {-1.78/21} (6. a3 $11 {-0.28/29 and White has nothing to worry.} Bxc3 7. bxc3) 6... O-O {-0.44/26} (6... e5 $19 {-1.78/21 Threatens to win with ...exf4. } 7. fxe5 Nxe5) 7. Nb1 $2 {-3.72/22} ({White should play} 7. d4 $1 $15 { -0.44/26}) 7... Bd7 $2 {-1.04/26} (7... e5 $19 {-3.72/22 and Black stays clearly on top. Strongly threatening ...exf4.} 8. g3 d4) 8. a4 $2 {-3.50/23} ( 8. c3 $17 {-1.04/26 was called for.} Bd6 9. d4) 8... e5 $19 9. fxe5 {-4.73/25} (9. g3 $142 {-3.02/25}) 9... Nxe5 10. g3 {-9.40/21} (10. Nf4 $142 {-4.40/27} Neg4 11. c3) 10... Nf3+ 11. Kf2 Nxg1 $2 {-2.85/25} (11... d4 {-9.28/24} 12. Bg2 dxe3+ 13. dxe3 Ne4+ 14. Kxf3 Bg4+ $1 15. Kxg4 Nf2+ 16. Kf3 Nxd1) 12. Nxg1 $2 { -5.11/22} (12. Kxg1 {-2.85/25 is the only way for White.} c6 13. Nbc3) 12... Bc5 13. h4 $2 {-7.53/23} (13. d4 {-3.38/27} Ng4+ 14. Kg2) 13... d4 14. h5 dxe3+ 15. Kg2 exd2 16. Bd3 Bc6+ 17. Kf1 dxc1=Q 18. Bxh7+ Nxh7 19. Qxc1 Qd4 20. Nh3 Nf6 21. Qd2 {[#]} Qxd2 {-19.12/27} (21... Bg2+ $142 $1 {-#8/40} 22. Ke1 (22. Qxg2 Qd1#) 22... Rfe8+ 23. Kd1 Qxb2 24. Nf4 Bf3+ 25. Qe2 Rad8+ 26. Nd3 Bxe2+ 27. Ke1 Bxd3+ 28. Kd2 Qxc2#) 22. Nxd2 Ne4 23. Nxe4 Bxe4 24. Nf4 Bxc2 25. Nd3 Bxd3+ {Black mates.} 26. Ke1 Rfe8+ 27. Kd1 Re2 28. Ra2 Rae8 29. Kc1 Re1+ 30. Kd2 Bc4 31. a5 R8e2+ 32. Kc3 Bxa2 33. Kd3 Rxb2 34. Kc3 Rg2 35. a6 Re3# { Accuracy: White = 0%, Black = 38%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.13"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1671"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "66"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. f3 {A00 Irregular Openings} d5 2. Kf2 e5 3. g3 $146 (3. Kg3 Be7 (3... Nc6 4. f4 exf4+ 5. Kxf4 Bd6+ 6. Kf3 Qf6+ 7. Ke3 Qf4+ 8. Kd3 Qe4+ 9. Kc3 Qb4+ 10. Kd3 Qe4+ 11. Kc3 Qd4+ 12. Kb3 Qc4# {0-1 (12) Schneider,I (2350)-Van Wely,L (2685) Kuppenheim 2005}) 4. Kf2 Nf6 5. e3 O-O 6. d4 e4 7. c4 c6 8. Nc3 Be6 9. b3 Bd6 10. Be2 Nbd7 11. c5 Bc7 12. b4 a6 13. f4 Ne8 14. g3 Ndf6 15. Qf1 Qd7 16. h3 g6 17. g4 Ng7 {Chowaniec,A (1603)-Zaboklicki,Z (1817) Krakow 2016 1/2-1/2 (46)}) ( 3. h4 f5 4. b3 f4 5. g4 fxg3+ 6. Kxg3 Nf6 7. h5 Bd6 8. d3 d4 9. e4 dxe3 10. Bxe3 O-O 11. Nc3 Qe8 12. Ne4 Nxh5+ 13. Kf2 Nc6 14. Bh3 Nd4 15. Bxd4 exd4 16. Ne2 Nf6 17. Bxc8 Nxe4+ {Linford,C (2129)-Stone,A (2228) Sunningdale 2008 0-1 (39)}) 3... Bc5+ 4. e3 Nc6 5. Bh3 Bxh3 6. Nxh3 Nf6 {-0.94/22} (6... h5 $19 { -1.75/26} 7. Kg2 Qd7) 7. Kg2 $17 Qd7 {[#]} 8. Nc3 {-1.54/24} (8. d4 $142 $1 { -0.92/25} exd4 9. exd4 Nxd4 10. Be3) 8... O-O-O 9. Nb5 {-2.54/25} (9. Nf2 $17 { -1.27/27 was worth a try.}) 9... a6 $19 10. Nc3 d4 11. Ne4 {-4.01/23} (11. Na4 $142 {-2.81/26} Ba7 12. exd4) 11... Nxe4 12. fxe4 h6 $2 {-1.57/24} (12... dxe3 $19 {-4.59/21} 13. d3 f5) 13. d3 dxe3 {Threatens to win with ...f5.} 14. Qe2 $2 {-4.98/23} (14. Re1 {-1.63/28 nothing else works.}) 14... Nd4 15. Qxe3 {[#]} Ne6 $2 {-1.83/26} (15... Nb3 $1 {-4.98/21} 16. axb3 Bxe3 17. Bxe3 f5) 16. Qe2 { -2.26/25} (16. Qe1 {-1.83/26 keeps fighting.}) 16... Qc6 17. Be3 Nd4 $2 { -1.00/30} (17... Bxe3 $19 {-2.52/20 has better winning chances.} 18. Qxe3 Qxc2+ 19. Nf2 Qxb2) 18. Bxd4 $17 Bxd4 19. c3 Bc5 {-0.68/27} (19... Ba7 $17 {-1.32/24} 20. Ng1 Rd7) 20. b4 {-1.61/23 [#]} (20. Rad1 $15 {-0.68/27}) 20... Be7 { -0.69/28} ({Black should try} 20... Ba7 $1 $19 {-1.61/23} 21. Rhc1 Qd7) 21. Rhc1 $15 f5 {-0.42/26} ({Black should play} 21... h5 $17 {-1.29/23} 22. Qf3 h4) 22. Nf2 {-1.43/22} (22. a4 $1 $15 {-0.42/26}) 22... fxe4 {-0.02/29} (22... Rhf8 $17 {-1.43/22} 23. a4 f4 24. gxf4 Rxf4) 23. Nxe4 $11 Qd5 24. Rd1 Rhf8 25. a4 g5 26. b5 a5 27. b6 {-0.72/26} (27. Rab1 $11 {0.00/35 keeps the balance.}) 27... cxb6 $17 28. Rab1 {-1.35/28} (28. h3 $142 {-0.77/26}) 28... Qc6 29. Qg4+ { -2.17/27} (29. Rb5 $17 {-1.00/28}) 29... Kc7 {-0.99/30} (29... Kb8 $19 { -2.17/27 and Black stays clearly on top.} 30. Qe2 Ka7) 30. d4 $2 {-4.41/24} ( 30. Rb5 $17 {-0.99/30 is tougher.}) 30... exd4 $19 31. cxd4 {aiming for Rdc1.} Qc2+ 32. Rd2 $2 {-8.82/25} (32. Nd2 {-3.62/30} Qxa4 33. Rdc1+ Kb8 34. Rxb6 Qxd4 35. Qxd4 Rxd4 36. Nf3) 32... Qc6 $2 {-2.14/25} (32... Qxb1 {-8.82/25} 33. Qe2 Kb8) 33. Rdd1 $2 {-4.28/26} (33. Qe2 {-2.14/25 was called for.} Kb8 34. Rc2 Qxa4 35. Rxb6 Qxd4 36. Rxh6) 33... Kb8 {Accuracy: White = 11%, Black = 34%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.14"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1677"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "104"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. f3 {A00 Irregular Openings} d5 2. c3 (2. d4 c5 3. e3 Nf6 4. Bb5+ Nc6 5. Ne2 e6 6. O-O Bd6 7. c4 O-O 8. cxd5 exd5 9. Nbc3 a6 10. Bd3 Qc7 11. dxc5 Bxh2+ 12. Kf2 Be5 13. Rh1 Ne7 14. Na4 Bf5 15. Bxf5 Nxf5 16. f4 Ne4+ {Gomez Jurado,L (2280)-Gonzalez Velez,F (2400) Barbera del Valles 1997 0-1}) 2... e5 (2... c6 3. a4 Nf6 4. d4 Bf5 5. h4 Qc7 6. Be3 e6 7. b4 Bd6 8. Na3 a5 9. b5 Bxa3 10. Rxa3 cxb5 11. axb5 h6 12. g4 Bh7 13. Nh3 Nbd7 14. Bf4 Qb6 15. e3 Qd8 16. Nf2 Qe7 17. Qb3 {Van Duuren,F-Wood,P Les Dicqs 2002 1-0 (46)}) 3. d4 $146 (3. g3 c5 4. Nh3 Nc6 5. Nf2 Bd6 6. Bg2 Nf6 7. Na3 O-O 8. Nc2 Be6 9. d3 Nd7 10. e3 Qe7 11. Kf1 f5 12. f4 e4 13. d4 cxd4 14. exd4 b5 15. Nh3 Nf6 16. Ne3 Na5 17. b3 Rfc8 {Maric,I (1875)-Simon,Z (2010) Austria 2001 0-1 (47)}) 3... e4 4. fxe4 dxe4 5. g3 b6 { 0.47/25} (5... f5 $15 {-0.56/23}) 6. Bg2 {-0.43/25} (6. Nh3 $14 {0.47/25}) 6... Bb7 {1.02/24} (6... f5 $1 $15 {-0.43/25}) 7. Bf4 $2 {-0.50/25} (7. Nh3 $16 { 1.02/24}) 7... Nf6 {0.63/23} (7... f5 $15 {-0.50/25}) 8. e3 {0.00/29} ({ White should try} 8. Nd2 $14 {0.63/23}) 8... Bd6 {0.64/28} ({Black should play } 8... Nbd7 $11 {0.00/29}) 9. Nd2 $2 {-0.89/21} (9. Nh3 $14 {0.64/28 keeps the upper hand.}) 9... Nbd7 {0.31/26} (9... Bxf4 $17 {-0.89/21} 10. gxf4 O-O) 10. Bxd6 {-0.12/26} (10. Nh3 $14 {0.31/26 is superior.}) 10... cxd6 $11 11. Ne2 { -0.86/25 [#]} (11. Nh3 $11 {0.00/28}) 11... O-O {0.09/27} (11... Nd5 $1 $17 { -0.86/25} 12. Bxe4 (12. Nxe4 Nxe3 13. Nxd6+ Kf8 $11) 12... Nxe3) 12. O-O $2 { -1.70/27} (12. Nf4 $1 $11 {0.09/27}) 12... Ng4 $19 13. Qc1 $2 {-3.29/24} (13. Nxe4 {-1.71/30 was necessary.} Nxe3 14. Qd3 Nxf1 15. Rxf1) 13... Nxe3 14. Rf2 d5 $2 {-0.70/26} (14... Nxg2 $19 {-4.24/25} 15. Rxg2 e3) 15. Nf4 $2 {-3.07/25} (15. Nxe4 $1 $15 {-0.70/26} Ng4 16. Rf4) 15... Nxg2 {-1.34/30} (15... Ng4 $19 { -3.07/25 has better winning chances.} 16. Re2 g5 17. Nxd5 Bxd5 18. Nxe4 h6) 16. Nxg2 $17 Nf6 17. Ne3 {-2.38/22} (17. Nf1 $17 {-1.20/29}) 17... Qd7 {-1.14/29} ( 17... Bc8 $19 {-2.38/22 and Black stays clearly on top.} 18. Qd1 Bh3) 18. Qf1 { -2.47/25} (18. Rxf6 $17 {-1.14/29} gxf6 19. Qf1) 18... Ng4 $19 19. Nxg4 Qxg4 20. Re1 Rae8 21. Rf4 Qe6 22. Re3 Qc6 23. Qe2 f5 24. Nf1 $2 {-5.92/23} (24. h4 { -2.44/30 is a better chance.}) 24... Qe6 {-2.60/32} (24... g5 $142 {-5.92/23} 25. Rf2 f4 26. gxf4 gxf4) 25. Nd2 $2 {-8.67/23} (25. h4 {-2.60/32}) 25... g5 26. Rf1 f4 27. gxf4 gxf4 28. Qg2+ Kh8 29. Qh3 fxe3 30. Qxe6 Rxf1+ {-14.90/34} ( 30... Rg8+ $142 {-#10/30} 31. Qg4 Rxg4+ 32. Kh1 exd2 33. h3 Rgg8 34. Kh2 e3 35. Rh1 e2 36. Rg1 e1=Q 37. Rg2 d1=Q 38. Rxg8+ Rxg8 39. b4 Qh1#) 31. Nxf1 Rxe6 32. Nxe3 Rf6 33. h4 Rf3 34. Nf1 Rd3 35. Kg2 Bc8 {[#] Strongly threatening ...Bh3+.} 36. Kf2 Bg4 37. Ne3 Bf3 38. Nxd5 Rd2+ 39. Ke3 Re2+ 40. Kf4 Rxb2 41. Kf5 Rxa2 42. Kf6 Ra1 43. Nc7 Rf1 {-72.10/35} (43... e3 $142 {-#11/38} 44. d5 e2 45. Ke7 e1=Q+ 46. Kd8 Qxh4+ 47. Ke8 Re1+ 48. Kd7 Re7+ 49. Kd8 Rg7+ 50. Kc8 Qc4 51. Kd8 Qxc7+ 52. Ke8 Rg8#) 44. Ke7 e3 {Black mates.} 45. Nd5 Bxd5 46. Kd6 Bc4 47. Kc7 e2 48. Kb7 e1=Q 49. Kxa7 Qa1+ 50. Kxb6 Qa6+ 51. Kc7 Rf7+ 52. Kd8 Qa8# { Accuracy: White = 4%, Black = 16%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.25"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [BlackElo "1653"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "57"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. f3 {A00 Irregular Openings} d5 2. Kf2 c5 (2... e5 3. Kg3 Nc6 (3... Be7 4. Kf2 Nf6 5. e3 O-O 6. d4 e4 7. c4 c6 8. Nc3 Be6 9. b3 Bd6 10. Be2 Nbd7 11. c5 Bc7 12. b4 a6 13. f4 Ne8 14. g3 Ndf6 15. Qf1 Qd7 16. h3 g6 17. g4 Ng7 18. Qg2 { Chowaniec,A (1603)-Zaboklicki,Z (1817) Krakow 2016 1/2-1/2 (46)}) 4. f4 exf4+ 5. Kxf4 Bd6+ 6. Kf3 Qf6+ 7. Ke3 Qf4+ 8. Kd3 Qe4+ 9. Kc3 Qb4+ 10. Kd3 Qe4+ 11. Kc3 Qd4+ 12. Kb3 Qc4# {0-1 (12) Schneider,I (2350)-Van Wely,L (2685) Kuppenheim 2005}) 3. g3 Nc6 4. Bg2 $146 (4. d3 e5 5. e3 Nf6 6. c3 Be7 7. b3 O-O 8. Bg2 Qb6 9. Ne2 Rd8 10. Bb2 e4 11. d4 exf3 12. Bxf3 Ng4+ 13. Bxg4 Bxg4 14. h3 Bh5 15. g4 Bh4+ 16. Kg2 Bg6 17. Nd2 Re8 18. Qg1 cxd4 {Labat,C-Soulages,L (2144) Issy les Moulineaux 2002 0-1}) 4... e5 5. b3 Nf6 6. Bb2 {-2.66/21} (6. d3 { -1.87/26 was worth a try.}) 6... Be7 7. e3 O-O 8. Ne2 {-2.48/21} (8. Bh3 $142 { -1.67/27}) 8... Be6 {-1.37/27} (8... d4 $19 {-2.48/21} 9. Na3 Be6) 9. Rf1 $17 d4 {-1.27/27} (9... Re8 $19 {-1.84/26} 10. d3 c4) 10. e4 {-2.66/25} (10. Kg1 $17 {-1.27/27}) 10... c4 $19 {Strongly threatening ...d3.} 11. Kg1 cxb3 { -1.33/28} (11... a5 $19 {-2.83/25} 12. f4 d3 13. cxd3 cxd3) 12. axb3 $17 a6 { -1.08/27} (12... a5 $19 {-1.90/26} 13. d3 b5) 13. d3 {-1.68/24} (13. Kh1 $17 { -1.08/27}) 13... Rc8 {-1.16/27} ({Black should try} 13... b5 $19 {-1.68/24} 14. f4 Ng4) 14. Nd2 {-2.10/25} (14. h3 $17 {-1.16/27 might work better.}) 14... Nb4 15. Nc4 {[#]} Qc7 {-0.72/29} (15... a5 $1 $19 {-1.67/24 has better winning chances.} 16. Rc1 (16. Rxa5 Rxc4) 16... Nd7) 16. f4 b5 {-0.33/27} ({Better is} 16... Ng4 $17 {-0.87/25} 17. Bf3 b5 18. Bxg4 Bxg4 19. Nxe5 Bh3) 17. Nxe5 $15 Qxc2 {-0.16/31} (17... Nxc2 $17 {-0.87/25} 18. Rc1 (18. Nxd4 $2 Bc5 $19) 18... Bxb3) 18. Rb1 $2 {-2.85/23} (18. Bxd4 $11 {-0.16/31} Bxb3 19. Qe1) 18... Ng4 $2 {-0.73/30} (18... Bxb3 $19 {-2.85/23 is more deadly.} 19. Nxd4 Qxd1 20. Rbxd1 Bxd1) 19. Nxd4 {-2.20/30} (19. Bxd4 $17 {-0.73/30} Nxe5 20. Bxe5) 19... Qc7 $4 {7.12/23} (19... Bc5 $19 {-2.20/30} 20. Kh1 Qxd1 21. Rbxd1 Bxd4 22. Bxd4 Nc2) 20. Nxe6 $18 fxe6 21. Qxg4 Bf6 22. Qxe6+ Kh8 23. Rbc1 Qa7+ 24. Kh1 Rcd8 25. g4 Nxd3 26. Rf3 $2 {3.52/30} (26. Nxd3 {9.59/25} Rxd3 27. Ba3) 26... Nxc1 $2 { #3/25 [#]} (26... Nf2+ $18 {3.52/30} 27. Rxf2 Qxf2) 27. Ng6+ $1 {White mates.} hxg6 28. Rh3+ Bh4 29. Rxh4# {Accuracy: White = 36%, Black = 11%.} 1-0 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.08.05"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1708"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "52"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. f3 {A00 Irregular Openings} d5 2. d4 c5 (2... e6 3. Nh3 c5 4. c3 Nc6 5. Bg5 Qb6 6. Qd2 cxd4 7. Bh4 dxc3 8. bxc3 Be7 9. Bf2 Qa5 10. g3 Nf6 11. Bg2 O-O 12. O-O e5 13. Rc1 Bf5 14. Be1 Qb6+ 15. Bf2 Bc5 16. Rf1 e4 17. Bxc5 {Tan, K-Brockman,R (1797) Kuala Lumpur 2007 0-1 (31)}) 3. e4 $146 (3. e3 Nf6 4. Bb5+ Nc6 5. Ne2 e6 6. O-O Bd6 7. c4 O-O 8. cxd5 exd5 9. Nbc3 a6 10. Bd3 Qc7 11. dxc5 Bxh2+ 12. Kf2 Be5 13. Rh1 Ne7 14. Na4 Bf5 15. Bxf5 Nxf5 16. f4 Ne4+ 17. Kf3 g5 {Gomez Jurado,L (2280)-Gonzalez Velez,F (2400) Barbera del Valles 1997 0-1}) 3... dxe4 4. fxe4 cxd4 5. Nf3 {[#]} Nc6 {-0.76/26} ({Black should try} 5... e5 $1 {-1.24/21} 6. c3 (6. Nxe5 Qa5+) 6... Nc6) 6. Bb5 $2 {-4.62/22} (6. Bc4 $17 { -0.76/26}) 6... Qa5+ $19 7. Bd2 {-7.54/22} (7. c3 $142 {-4.44/25} Qxb5 8. cxd4) 7... Qxb5 8. c3 dxc3 9. Nxc3 Qb6 10. a4 {-6.47/24} (10. Nd5 $142 {-4.16/25} Qd8 11. Bf4) 10... a6 $2 {-2.16/28 [#]} (10... Nf6 {-6.47/24} 11. a5 Qc5) 11. a5 $2 {-5.08/24} (11. Nd5 {-2.16/28} Qd8 12. Be3) 11... Qd8 {Black is clearly winning.} 12. O-O e5 13. Nd5 Nf6 14. Bg5 Be7 15. Nxe7 Qxe7 16. Qa4 O-O 17. Rac1 Qe6 18. Rfd1 Bd7 19. Qa3 Rad8 20. Bxf6 Qxf6 21. Qb3 Bc8 22. Rf1 Qe6 23. Qe3 Nd4 24. Ng5 Qg6 25. Nf3 Nxf3+ 26. Qxf3 f5 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.09.14"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1720"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "56"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. f3 {A00 Irregular Openings} d5 2. Kf2 e5 3. g3 $146 (3. Kg3 Be7 (3... Nc6 4. f4 exf4+ 5. Kxf4 Bd6+ 6. Kf3 Qf6+ 7. Ke3 Qf4+ 8. Kd3 Qe4+ 9. Kc3 Qb4+ 10. Kd3 Qe4+ 11. Kc3 Qd4+ 12. Kb3 Qc4# {0-1 (12) Schneider,I (2350)-Van Wely,L (2685) Kuppenheim 2005}) 4. Kf2 Nf6 5. e3 O-O 6. d4 e4 7. c4 c6 8. Nc3 Be6 9. b3 Bd6 10. Be2 Nbd7 11. c5 Bc7 12. b4 a6 13. f4 Ne8 14. g3 Ndf6 15. Qf1 Qd7 16. h3 g6 17. g4 Ng7 {Chowaniec,A (1603)-Zaboklicki,Z (1817) Krakow 2016 1/2-1/2 (46)}) ( 3. h4 f5 4. b3 f4 5. g4 fxg3+ 6. Kxg3 Nf6 7. h5 Bd6 8. d3 d4 9. e4 dxe3 10. Bxe3 O-O 11. Nc3 Qe8 12. Ne4 Nxh5+ 13. Kf2 Nc6 14. Bh3 Nd4 15. Bxd4 exd4 16. Ne2 Nf6 17. Bxc8 Nxe4+ {Linford,C (2129)-Stone,A (2228) Sunningdale 2008 0-1 (39)}) 3... Bc5+ 4. e3 d4 5. Kg2 dxe3 {-1.19/26} (5... Nc6 $19 {-2.06/20} 6. c3 a6) 6. Qe2 {-1.98/23} (6. Bb5+ $17 {-1.19/26 is a better defense.} c6 7. Bd3) 6... exd2 $2 {-0.42/26 [#]} (6... h5 $19 {-1.98/23} 7. dxe3 Nc6) 7. Qxe5+ $15 Qe7 8. Qxe7+ {Black is slightly better.} Nxe7 9. Bxd2 {-1.24/26} (9. Nxd2 $15 { -0.41/25} Nbc6 10. Bc4) 9... O-O {-0.27/26} (9... Bf5 $17 {-1.24/26} 10. Bc4 Nbc6) 10. Bd3 {-1.00/25} (10. Nc3 $11 {-0.27/26 keeps the balance.}) 10... Bf5 11. Bc4 {-1.68/25} (11. Be4 $15 {-0.62/30}) 11... Nbc6 $36 {Black is in control.} ({But not} 11... Bxc2 12. Ne2 $17) 12. c3 $2 {-3.64/25 [#]} (12. Ne2 $17 {-1.25/27}) 12... Rad8 13. Bf4 Bd6 {-1.75/32} (13... Ng6 $142 {-3.98/27} 14. Ne2 Nce5 15. Bxe5 Nxe5) 14. Ne2 {-2.40/24} (14. Bc1 $142 {-1.75/32}) 14... Bxf4 15. Nxf4 Ng6 $2 {-0.32/28} (15... g5 $19 {-2.57/27} 16. Nh5 Bg6 17. Nf6+ Kg7) 16. Nd5 $2 {-3.08/28} (16. Nxg6 $15 {-0.32/28} hxg6 17. Re1) 16... Rd7 $2 {-0.59/30} ({Black should play} 16... Na5 $19 {-3.08/28} 17. Ne3 Nxc4 18. Nxf5 Rfe8) 17. Nd2 $2 {-5.21/25} (17. Ne3 $1 $15 {-0.59/30} Nge5 18. Bb5) 17... Na5 18. g4 Be6 19. b3 Nxc4 (19... Rxd5 $2 20. Bxd5 Bxd5 21. Kg3 $19) 20. bxc4 Bxd5 {-2.98/29} (20... c6 $142 {-6.15/25} 21. Nb3 cxd5) 21. cxd5 Rxd5 22. Ne4 Rfd8 23. Rab1 b6 24. Kg3 c5 {-1.58/31} ({Black should try} 24... f5 $19 {-3.02/27} 25. gxf5 Rxf5) 25. a4 $17 Rd3 26. c4 $2 {-4.04/26} (26. Rhf1 $17 {-1.60/31 was necessary.}) 26... Ne5 $19 27. Rhf1 Nxc4 28. Rb5 $2 {-5.87/29} (28. Nf2 { -3.65/28} R3d4 29. Rfe1) 28... Nd2 $2 {-2.12/36 Accuracy: White = 12%, Black = 31%.} (28... R8d4 {-5.87/29} 29. Kf2 Ne5) 0-1

A00 Irregular Openings (1.e3 d5)

[Event "Chessmaster 8000 Rated Game"] [Site "?"] [Date "2003.01.20"] [Round "?"] [White "Jessica"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "29"] [EventDate "1.??.??"] 1. e3 d5 {A00 Irregular Openings} 2. Qf3 Nf6 (2... e5 3. Nc3 Nf6 4. Nh3 Nc6 5. Ng5 h6 6. Nh3 h5 7. Bb5 Qd6 8. Ng5 Bg4 9. Qg3 h4 10. Nge4 dxe4 11. Nxe4 Qe6 12. Nxf6+ gxf6 13. Qxg4 Qxg4 14. f3 Qxg2 15. Rf1 O-O-O 16. Rf2 Qg1+ 17. Rf1 { Benavides Maseda,S-Musalov,R (2387) Burgos 2003 0-1}) 3. Bb5+ c6 4. Bd3 $146 ( 4. Ba4 e5 5. Nc3 Nbd7 6. d4 e4 7. Qf4 Nb6 8. Qe5+ Be6 9. Bb3 Bd6 10. Qg5 O-O 11. g4 h6 12. Qh4 Bxg4 13. f3 exf3 14. h3 Bh5 15. Bd2 g5 16. O-O-O gxh4 17. a4 Ne4 18. Nxe4 dxe4 {Nalubega,P-Ruzigura,A (1802) Kampala 2017 0-1}) 4... g6 5. Qf4 Bg7 {-0.83/23} (5... e6 $142 {-1.30/24} 6. Nc3 Bd6) 6. Nf3 {-1.43/23} (6. Be2 $142 {-0.83/23}) 6... O-O {-0.82/25} (6... Nh5 $142 {-1.43/23} 7. Qh4 Bf6) 7. O-O {-2.01/24 [#]} (7. Be2 $17 {-0.82/25 keeps fighting.}) 7... Nbd7 { -1.05/26} ({Better is} 7... e5 $1 $19 {-2.01/24} 8. Qxe5 (8. Nxe5 Nh5) 8... Ne4 ) 8. Qh4 {-1.73/23} (8. Be2 $17 {-1.05/26 was called for.}) 8... Qc7 {-0.65/26} (8... h6 $19 {-1.73/23} 9. Be2 g5) 9. Nc3 {-1.50/24} (9. c4 $15 {-0.65/26}) 9... Ne5 {-0.19/27} (9... e5 $17 {-1.50/24} 10. Be2 h6) 10. Nxe5 $11 Qxe5 11. f4 Qh5 {0.04/24} (11... Qe6 $15 {-0.55/25}) 12. Qg3 {-0.78/22} (12. Qxh5 $11 { 0.04/24 keeps the balance.} Nxh5 13. Rb1) 12... Qg4 {-0.10/26} (12... e5 $17 { -0.78/22}) 13. Qf2 {-0.65/23} ({White should try} 13. Qe1 $11 {-0.10/26}) 13... Bd7 {-0.06/28} (13... Qd7 $15 {-0.65/23}) 14. Qe1 {-0.75/27} (14. e4 $11 { -0.06/28}) 14... Bf5 $2 {6.29/22 [#]} (14... c5 $17 {-0.75/27}) 15. Be2 { Accuracy: White = 7%, Black = 0%.} 1-0 [Event "Rated game, 2m + 0s"] [Site "Main Playing Hall"] [Date "2008.06.15"] [Round "?"] [White "Winotou"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A00"] [WhiteElo "1547"] [BlackElo "1658"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "105"] [EventDate "2008.03.04"] [SourceTitle "playchess.com"] 1. e3 d5 {A00 Irregular Openings} 2. g3 c5 (2... g6 3. Bg2 Bg7 4. d4 Nf6 5. Ne2 Nbd7 6. O-O O-O 7. b3 Nb6 8. Bb2 Re8 9. Nd2 c6 10. Rc1 Bf5 11. c4 Rc8 12. c5 Nbd7 13. Nf3 Be4 14. Nc3 Bxf3 15. Qxf3 e5 16. Rfe1 Bh6 17. Rcd1 {Tsirekidze,B (1382)-Karaivanova,P (1534) Prague 2016 0-1 (81)}) 3. Bg2 (3. Qg4 Bxg4 4. Bg2 Nc6 5. c4 Ne5 6. Bxd5 Nd3+ 7. Kf1 Nxc1 8. Bxb7 Rb8 9. Bc6+ Bd7 10. Bd5 e6 11. Nc3 exd5 12. Nxd5 Nd3 13. Nc7+ Qxc7 14. h4 Rxb2 15. Nf3 Qc6 {0-1 (15) Sharma,D (2394)-Bates,L (2178) ICC INT 2009}) 3... Nc6 4. Ne2 e5 $146 (4... Nf6 5. b3 e6 6. Bb2 Be7 7. d3 O-O 8. Nd2 Qc7 9. O-O b6 10. h3 Bb7 11. Nf3 Rad8 12. d4 Ne4 13. dxc5 Bxc5 14. Nd2 Ne5 15. Nd4 a6 16. Rc1 Qb8 17. N4f3 Nxf3+ 18. Nxf3 Nxg3 19. fxg3 {Heylen,J (1854)-Bosschem,T Gent 2008 0-1 (44)}) 5. O-O Nf6 6. c3 { -0.50/18} (6. d4 $11 {-0.01/18}) 6... Be7 7. d4 cxd4 8. exd4 {The position is equal.} e4 9. f3 exf3 10. Rxf3 O-O 11. Bg5 Bg4 12. Rf1 Ne4 13. Bxe7 Qxe7 14. Bf3 {-0.92/20} (14. Qc2 $11 {-0.08/18}) 14... Bh3 {-0.37/22} (14... Bxf3 $17 { -0.92/20} 15. Rxf3 Ng5) 15. Bg2 $15 Qe6 $2 {2.65/20} (15... Bxg2 $15 {-0.42/18 keeps the upper hand.} 16. Kxg2 g5) 16. Bxh3 $2 {-0.02/14} (16. Nf4 $18 { 2.65/20} Nxc3 17. bxc3 Qe3+ 18. Rf2 Bxg2 19. Nxg2) 16... Qxh3 $11 17. Nf4 Qd7 18. Nd2 Nf6 19. Nf3 Rfe8 20. Nd3 b6 21. Nde5 $36 {White has good play.} Nxe5 22. Nxe5 Qh3 23. Qf3 Rad8 24. Rae1 Qe6 25. Qf2 Ne4 {1.43/21} (25... h6 $11 { 0.17/20 remains equal.}) 26. Qxf7+ $16 Qxf7 27. Rxf7 $4 {-1.49/22} (27. Nxf7 $16 {1.35/17 is necessary to keep the advantage.} Rc8 28. Ne5) 27... Rxe5 $1 $17 28. Rxa7 Ree8 29. Rf1 Rf8 30. Re1 Nd2 $2 {0.53/18} (30... Ra8 $19 {-1.62/21 } 31. Rxa8 Rxa8) 31. Rd1 $2 {-5.42/17} (31. Ree7 $14 {0.53/18} Rf1+ 32. Kg2) 31... Nf3+ $19 32. Kg2 Ng5 $2 {-1.30/22} (32... Rde8 $19 {-4.67/14 is more deadly.} 33. Kh3 Re4) 33. Rb7 {-1.71/21} (33. Re1 $17 {-1.30/22}) 33... Rd6 { -1.26/22} (33... Rde8 $19 {-1.71/21} 34. Rd2 Nf3) 34. Re1 $17 Rdf6 {[#] aiming for ...Rf2+.} 35. h4 $2 {-4.42/18} (35. Re2 $17 {-1.18/17 was the crucial defense.}) 35... Ne4 {-2.63/15} (35... Rf2+ $142 {-4.42/18} 36. Kg1 Nh3+ 37. Kh1 Rxb2) 36. c4 $2 {-5.13/16} (36. Kh3 {-2.63/15}) 36... Rf2+ $19 37. Kg1 Nxg3 38. cxd5 Rd2 39. d6 Rxd4 40. d7 {intending Re8.} Ne4 ({Avoid the trap} 40... Rxh4 $2 {[#]} 41. Rb8 $1 $18) 41. Kg2 Rf2+ $2 {-0.01/18} ({Better is} 41... Nc5 $19 {-3.31/20} 42. Rxb6 Nxd7) 42. Kg1 $11 {Strongly threatening Rxe4!} Rf8 { White must now prevent ...Nc5.} 43. Rc1 $2 {-3.38/21} (43. Kg2 $1 $11 {0.00/17 and White is okay.} Nc5 44. Rxb6) 43... Nf6 $19 44. Rc8 Rxd7 45. Rxf8+ Kxf8 46. Rxb6 {Endgame KRN-KR} Ke7 47. a4 Rd2 48. b4 Ra2 49. a5 {-3.00/22} (49. Ra6 $142 {-1.64/20}) 49... Nd5 50. Rb7+ {Black is clearly better.} Kf6 51. Rb5 Nc3 52. Rb6+ Ke5 53. Rb7 {Accuracy: White = 30%, Black = 29%. . Loss on time!?} 1-0 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.15"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1677"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "86"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. e3 d5 {A00 Irregular Openings} 2. Ke2 (2. g3 e5 3. Bh3 Bxh3 4. Nxh3 Nc6 5. Qe2 Qd7 6. Na3 Qxh3 7. Qf3 Bxa3 8. bxa3 Nf6 9. Bb2 O-O 10. O-O-O Qg4 11. Qg2 b5 12. c3 Qc4 13. Kb1 Qd3+ 14. Kc1 Na5 15. f4 Ne4 16. fxe5 Nc5 {Costa,E-Silva,S (2105) Averio 1998 0-1}) 2... c5 $146 (2... e5 3. Qe1 Nc6 4. Kd1 Nf6 5. d3 Be7 6. Nd2 Be6 7. Ne2 Qd7 8. g3 O-O-O 9. Bg2 Bf5 10. a3 Rhe8 11. Qf1 Bc5 12. b4 Bb6 13. Bb2 Kb8 14. h3 h5 15. Nb3 Qe6 16. Nd2 Ng8 17. Nc1 {Katukina,Z-Pleasants,A (2039) St Clement Bay 2013 0-1 (42)}) 3. Qe1 e5 4. Kd1 Nf6 5. c3 Nc6 6. d4 e4 { -2.50/25} (6... exd4 $142 {-4.29/25} 7. exd4+ Be7) 7. f3 exf3 8. Nxf3 {-3.31/22 } (8. gxf3 $142 {-2.05/24} Bd6 9. Na3) 8... Bg4 9. Be2 {-3.20/24} (9. h3 $142 { -2.05/25} Bh5 10. Nbd2) 9... Be7 10. Qf2 {-3.52/24} (10. Nbd2 $142 {-2.33/26}) 10... O-O 11. h3 {-4.06/23} (11. Nbd2 $142 {-2.58/24}) 11... Ne4 $19 12. Qe1 { -5.75/22} (12. Qf1 $142 {-3.67/27} Bd7 13. Rg1) 12... Bxf3 13. gxf3 Bh4 14. Qg1 Nf2+ 15. Kc2 Nxh1 16. Qxh1 cxd4 17. exd4 {-7.87/28} (17. cxd4 $142 {-5.10/26} Qg5 18. a3) 17... Qf6 18. Qg2 Rfe8 19. Nd2 {[#]} Re6 {-4.60/28} (19... Nxd4+ $142 $1 {-14.80/27} 20. cxd4 Rac8+ 21. Kd1 Qxd4) 20. Bd3 {-7.89/26 [#]} (20. Nb3 $142 {-4.60/28} Rc8 21. Kd1) 20... Rae8 {-3.28/27} (20... Nxd4+ $142 $1 { -7.89/26} 21. Kb1 (21. cxd4 Rc8+) 21... Re1) 21. Nb3 b6 22. Bd2 Be1 $4 {1.82/29 } (22... Rc8 $19 {-2.52/27 and life is good for Black. And now ...Nb4+ would win.} 23. Kb1 Ne7) 23. Rd1 $4 {-4.23/25} (23. Bg5 $18 {1.82/29 is the narrow road to win.} Nb4+ 24. cxb4 Rc8+ 25. Kb1) 23... Bxd2 24. Nxd2 Na5 25. Rg1 g6 26. b3 $2 {-6.73/26} (26. Qg5 {-2.80/28} Qxg5 27. Rxg5) 26... Nc6 27. Qg4 Rc8 { aiming for ...Nb4+.} 28. h4 Nxd4+ 29. Kb2 Ne2 30. Bxe2 Qxc3+ {Black mates.} 31. Ka3 Rxe2 32. h5 Rxd2 33. hxg6 Qa5+ 34. Qa4 Qxa4+ 35. bxa4 fxg6 36. f4 Rc3+ 37. Kb4 Rc4+ 38. Kb3 Rd3+ 39. Kb2 Rxa4 40. Re1 Kf7 41. f5 gxf5 42. Rh1 Kg6 43. Rg1+ Rg4 {Accuracy: White = 15%, Black = 30%.} 0-1 [Event "Friendly Game, 2m + 0s"] [Site "Beginners"] [Date "2008.07.16"] [Round "?"] [White "trallala"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A00"] [BlackElo "1677"] [Annotator "Tactical Analysis 2.10 (30s)"] [PlyCount "108"] [EventDate "2008.07.08"] [SourceTitle "playchess.com"] 1. e3 d5 {A00 Irregular Openings} 2. g3 c5 (2... g6 3. Bg2 Bg7 4. d4 Nf6 5. Ne2 Nbd7 6. O-O O-O 7. b3 Nb6 8. Bb2 Re8 9. Nd2 c6 10. Rc1 Bf5 11. c4 Rc8 12. c5 Nbd7 13. Nf3 Be4 14. Nc3 Bxf3 15. Qxf3 e5 16. Rfe1 Bh6 17. Rcd1 {Tsirekidze,B (1382)-Karaivanova,P (1534) Prague 2016 0-1 (81)}) 3. Qf3 $146 (3. Bg2 Nc6 4. Ne2 Nf6 5. b3 e6 6. Bb2 Be7 7. d3 O-O 8. Nd2 Qc7 9. O-O b6 10. h3 Bb7 11. Nf3 ( 11. f4 Rac8 12. Nf3 Rfd8 13. Qd2 c4 14. a3 cxd3 15. cxd3 h6 16. b4 Qb8 17. Ned4 a6 18. Nb3 Qa8 19. Rac1 Rc7 20. Ne5 Rdc8 21. Nxc6 Rxc6 22. Nd4 R6c7 23. Nf3 Nd7 24. Rxc7 Rxc7 25. Rc1 Rxc1+ {Tran Mai Truong,A-Amier,H Huy 2009 1/2-1/2 (46)}) 11... Rad8 12. d4 Ne4 13. dxc5 Bxc5 14. Nd2 Ne5 15. Nd4 a6 16. Rc1 Qb8 17. N4f3 Nxf3+ {Heylen,J (1854)-Bosschem,T Gent 2008 0-1 (44)}) (3. Qg4 Bxg4 4. Bg2 Nc6 5. c4 Ne5 6. Bxd5 Nd3+ 7. Kf1 Nxc1 8. Bxb7 Rb8 9. Bc6+ Bd7 10. Bd5 e6 11. Nc3 exd5 12. Nxd5 Nd3 13. Nc7+ Qxc7 14. h4 Rxb2 15. Nf3 Qc6 {0-1 (15) Sharma,D (2394)-Bates,L (2178) ICC INT 2009}) (3. d3 Nc6 4. Ne2 Nf6 5. Bg2 e6 6. O-O Be7 7. Nd2 O-O 8. h3 Qc7 9. e4 Rd8 10. f4 dxe4 11. Nxe4 Nxe4 12. Bxe4 b6 13. Nc3 Bb7 14. Nb5 Qd7 15. f5 e5 16. Bh6 f6 17. Be3 Nd4 {Panzer,J (1482)-Schmalhorst, S (1830) Frankfurt 2009 1/2-1/2}) 3... Nc6 4. Qg2 Nf6 5. Bb5 Qb6 {-1.15/28} ( 5... e5 $19 {-1.75/21} 6. Nc3 Be7) 6. Bxc6+ $17 Qxc6 7. Ke2 $2 {-4.39/23} (7. Nf3 $17 {-1.26/23 is a better chance.}) 7... e5 8. Qf1 {-5.12/22} (8. d3 $142 { -3.26/25}) 8... d4 9. f3 Be7 10. Kf2 dxe3+ 11. dxe3 Be6 {-1.53/25} (11... e4 $19 {-2.96/24} 12. f4 b6) 12. Ne2 $2 {-3.29/24} (12. e4 $17 {-1.53/25}) 12... O-O 13. Nbc3 $2 {-3.86/24} (13. Nec3 {-2.19/27 keeps fighting.}) 13... Nd5 { -2.16/26} (13... b5 $142 {-3.86/24} 14. e4 c4) 14. Bd2 $2 {-3.84/23} (14. Nxd5 {-2.16/26 was necessary.} Bxd5 15. Kg2) 14... Nb4 15. a3 Nxc2 16. Rc1 Nxe3 $2 { 0.97/26} (16... Bb3 $19 {-3.77/22 Hoping for ...Rfd8.} 17. Qd1 Qg6) 17. Bxe3 $16 Rad8 18. Rd1 b6 {1.38/26} (18... b5 $142 {0.83/28}) 19. Rxd8 Rxd8 20. Qc1 Bf6 {2.11/26} ({But not} 20... Rd3 21. Qc2 $14) (20... Rf8 $16 {1.45/31} 21. Kg2 h6) 21. Rd1 Rf8 {2.55/28} (21... Rxd1 $142 {1.79/30} 22. Qxd1 h6) 22. Qd2 b5 $2 {4.01/28} (22... Kh8 {2.13/30} 23. Qd3 h6) 23. Qd6 $18 Qxd6 24. Rxd6 b4 25. axb4 cxb4 26. Ne4 Bc4 27. Nxf6+ gxf6 28. Rxf6 Kg7 29. Rc6 {[#] aiming for Bh6+.} Be6 30. Bc5 Rb8 31. f4 Rb7 32. fxe5 Bc4 33. Nf4 {Nh5+ would kill now.} Bb5 34. Bd4 $4 {-3.31/26} (34. Nh5+ {#3/31 mates} Kh8 35. Rc8+ Be8 36. Rxe8#) 34... Bxc6 $19 {Endgame KRB-KBN} 35. e6+ Kf8 36. exf7 Kxf7 37. Bc5 a5 38. Nd3 Rd7 $2 {-0.12/32} ({Black should try} 38... Bb5 $19 {-5.15/28} 39. Ke3 Rc7) 39. Ke2 $2 {-11.36/26} (39. Ne5+ $11 {-0.12/32} Ke6 40. Nxd7 Bxd7 41. Bb6) 39... Ke6 {-4.77/31} (39... Bb5 $142 {-11.36/26} 40. Kd2 Rxd3+ 41. Ke1 Kg6) 40. b3 { -#25/31 [#]} (40. Nf4+ $19 {-4.77/31} Kf5 41. Ke3) 40... Bb5 {Black mates.} 41. Ke1 Rxd3 42. Bb6 Rxb3 43. Bxa5 Rb2 44. Bxb4 Rxb4 45. Kd2 Rb2+ 46. Kc3 Rxh2 47. Kd4 Bc6 48. Kc5 Rh3 49. Kxc6 Rxg3 {KR-K} 50. Kc5 Rd3 51. Kb4 Kd5 52. Kb5 Rb3+ 53. Ka6 Kc5 54. Ka5 Ra3# {Accuracy: White = 38%, Black = 18%.} 0-1