A03 Bird's Opening with 1...d5 (1.f4 d5 2.e3 c5 3.Nf3 Nc6 4.Bb5 Qb6)

[Event "Rated game, 5m + 0s"] [Site "Main Playing Hall"] [Date "2008.06.21"] [Round "?"] [White "Obo"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1632"] [BlackElo "1720"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "31"] [EventDate "2008.02.29"] [SourceTitle "playchess.com"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. e3 c5 3. Nf3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ Qxc6 6. Ne5 {-0.57/23} (6. O-O $11 { 0.09/25}) (6. b3 f6 (6... Nf6 7. Bb2 g6 8. O-O Bg7 9. Ne5 Qc7 10. d3 O-O 11. Nd2 Ng4 12. Nxg4 Bxb2 13. Rb1 Bc3 14. Nf2 b5 15. Qc1 Qa5 16. Nf3 Qxa2 17. Nd1 Bg7 18. Ne5 Qa6 19. Nf2 Qd6 20. Nf3 a5 21. d4 {Ritter,U (1953)-Von Herman,U (2354) Berlin 2017 0-1}) 7. Bb2 Nh6 8. O-O b6 9. d3 e6 10. Nbd2 Bd6 11. Qe2 O-O 12. Kh1 Bb7 13. Rae1 Rae8 14. a4 Bc7 15. Nh4 e5 16. fxe5 Bxe5 17. Bxe5 Rxe5 18. Nhf3 Re7 19. e4 Rfe8 20. exd5 Rxe2 {Matrosov,V (2105)-Eliseev,A (2424) St Petersburg 2007 0-1 (36)}) 6... Qc7 {0.25/24} (6... Qa6 $1 $15 {-0.57/23}) 7. b3 {-0.61/21} ({White should try} 7. c4 $11 {0.25/24}) 7... Nf6 $146 {0.35/24} (7... Bf5 $15 {-0.61/21}) (7... Nh6 8. Bb2 f6 9. Nf3 Bg4 10. O-O e6 11. Qe1 Bd6 12. d3 O-O 13. Nbd2 b5 14. Qh4 c4 15. dxc4 bxc4 16. bxc4 Rab8 17. Bc3 Bxf3 18. Rxf3 Qc5 19. Rh3 dxc4 20. Ne4 Qa3 21. Bxf6 Rb7 22. Bd4 {Mueller,H (2027) -Hendriks,N (1782) Germany 2011 1-0}) 8. Bb2 {-0.25/23} (8. O-O $14 {0.35/24}) 8... e6 {0.18/24} (8... g6 {-0.25/23 is more appropriate.}) 9. d3 {-0.27/24} ( 9. O-O $142 {0.18/24}) 9... Be7 {0.22/25} (9... b5 $142 {-0.27/24}) 10. Nd2 { -0.46/22} (10. O-O $11 {0.22/25}) 10... O-O 11. O-O b6 12. Qf3 {-0.70/22} (12. Rf3 $11 {0.00/26}) 12... Bb7 {0.00/25} (12... Ne8 $15 {-0.70/22}) 13. Qg3 { -0.56/22} (13. Qh3 $11 {0.00/25}) 13... Rad8 14. Ndf3 Nd7 $2 {6.83/22 [#]} ( 14... Ne8 $15 {-0.48/25}) 15. Nxd7 $18 Qxd7 16. Qxg7# {Accuracy: White = 16%, Black = 0%.} 1-0 [Event "rated standard match"] [Site "Free Internet Chess Server"] [Date "2008.12.15"] [Round "?"] [White "streetsweeper"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1305"] [BlackElo "2022"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "46"] [EventDate "2008.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. c4 (5. Bxc6+ Qxc6 6. b3 Nf6 7. Bb2 g6 8. O-O Bg7 9. d3 O-O 10. Nbd2 b5 11. Ne5 Qb6 12. c3 a5 13. d4 b4 14. c4 Ba6 15. g4 Rad8 16. Rf2 Ne4 17. Nxe4 dxe4 18. g5 f6 19. gxf6 exf6 {Renard,S (1980) -Luberti,W (2235) Bethune 2000 0-1}) 5... dxc4 {0.83/22} (5... e6 $11 {-0.09/24 }) (5... Nf6 6. b3 a6 7. Ba4 e6 8. Bb2 Be7 9. Ne5 O-O 10. Bxc6 bxc6 11. O-O d4 12. Qe1 a5 13. Rf3 a4 14. g4 axb3 15. a3 Nd7 16. Nxd7 Bxd7 17. e4 Rae8 18. Rh3 f5 19. g5 fxe4 20. Qxe4 {Hanzlik,D-Papay,J (1979) Teplice 2011 0-1 (47)}) 6. Bxc4 {0.00/26} (6. Nc3 $16 {0.83/22}) 6... e6 {0.75/24} (6... a6 $11 {0.00/26}) 7. O-O $146 (7. Nc3 Nf6 8. O-O a6 9. b3 Qc7 10. Bb2 b5 11. Be2 Bb7 12. Qe1 Rd8 13. Rc1 Bd6 14. Qg3 Rg8 15. Nxb5 axb5 16. Bxf6 Ra8 17. Bxb5 Kf8 18. Be5 Rxa2 19. Rxc5 f6 20. Bxc6 fxe5 21. fxe5 Bxc5 {Bird,H-Riemann,F Nuremberg 1883 1-0}) 7... g6 {1.30/26} (7... Nf6 $11 {0.19/26 remains equal.}) 8. f5 $2 {-1.61/23} ( 8. b3 $16 {1.30/26 keeps the pressure on.}) 8... exf5 {-0.70/24} (8... gxf5 $19 {-1.61/23} 9. b3 Nge7) 9. Ng5 {-1.98/22 [#]} ({White should play} 9. Nc3 $15 { -0.70/24}) 9... Nh6 {-0.98/28} (9... Ne5 $1 $19 {-1.98/22 has better winning chances. White must now prevent ...Be7.} 10. Qb3 Qxb3 11. axb3 Be7) 10. e4 { -1.73/24} (10. d3 $17 {-0.98/28 was worth a try.}) 10... Bg7 $19 11. exf5 $2 { -3.14/22} (11. Nc3 $17 {-1.32/25 might work better.}) 11... Bxf5 12. Rxf5 $2 { -5.22/21} (12. Re1+ {-2.69/25} Kf8 13. Nf3) 12... gxf5 13. Qe2+ Ne5 14. Bb5+ Kd8 15. Nc3 a6 16. Bd3 {-8.48/21} (16. Ba4 $142 {-4.08/25} Nhg4 17. g3) 16... Nxd3 {-4.00/27} (16... Re8 $142 {-8.48/21} 17. Nd5 Qd6 18. Bxf5 Qxd5) 17. Qxd3+ Bd4+ 18. Kh1 Qf6 19. Nf3 Ng4 {[#] Hoping for ...Nf2+.} 20. Qc4 Nf2+ 21. Kg1 { and the idea Ne2 leaves White hopeful.} Ne4+ 22. Kh1 {-5.22/25} (22. Kf1 $142 { -3.61/28} Qe6 23. Qd3) 22... Qh6 $4 {2.53/28} (22... b5 $19 {-5.22/25} 23. Qf1 Nf2+ 24. Kg1 Ne4+ 25. Kh1 Re8 26. Nxd4 Qxd4 27. Nxe4 fxe4) 23. d3 $4 {-#1/21} ( 23. Nxd4 $18 {2.53/28} Nf2+ 24. Kg1 Nh3+ 25. gxh3 Rg8+ 26. Kh1 cxd4 27. Qxd4+ Kc8 28. Qc5+ Qc6+ 29. Qxc6+ bxc6 30. d4) 23... Ng3# {Accuracy: White = 13%, Black = 27%.} 0-1 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.05.08"] [Round "?"] [White "Matumbo"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1301"] [BlackElo "1454"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "107"] [EventDate "2011.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. e3 c5 3. Nf3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ bxc6 {0.99/23} (5... Qxc6 $15 { -0.37/23} 6. b3 g6) 6. b3 $16 Ba6 {1.01/22} (6... e6 $14 {0.47/25}) (6... a5 7. Nc3 Ba6 8. Na4 Qa7 9. Ba3 e6 10. d4 cxd4 11. Bxf8 Kxf8 12. Qxd4 Qxd4 13. exd4 f6 14. Nc5 Kf7 15. Kd2 Ne7 16. Rhe1 Bc8 17. Re2 Re8 18. Rae1 Nf5 19. g4 Nd6 20. Rg1 Ra7 21. g5 {Huebner,W-Schindler,C (2241) Germany 2016 1/2-1/2}) 7. d3 { 0.12/25} (7. c4 $16 {1.01/22}) 7... Nf6 $146 {1.30/24} (7... c4 $1 $11 { 0.12/25 keeps the balance.}) (7... e6 8. Bb2 Nh6 9. c4 dxc4 10. dxc4 Bxc4 11. Nbd2 Ba6 12. Ne5 Rd8 13. Qc2 Nf5 14. Qe4 Be7 15. Bc3 Bh4+ 16. g3 Bf6 17. Kf2 Bxe5 18. Qxe5 Rd5 19. Qe4 O-O 20. g4 Nd6 21. Qg2 Qd8 22. Rac1 {Cauchy Fernandez,A-Espineira Gonzalez,D (2292) Deba 2006 0-1}) 8. Nbd2 $2 {-0.36/25} ( 8. O-O $16 {1.30/24}) 8... Ng4 {0.35/24} (8... c4 $1 $15 {-0.36/25} 9. bxc4 Qxe3+ 10. Qe2 Qxf4) 9. Qe2 $14 c4 $1 10. dxc4 {-0.56/23} (10. bxc4 $14 {0.63/26 } Qxe3 11. h3 Qxe2+ 12. Kxe2) 10... Nxe3 $15 11. Nf1 $1 Nf5 {-0.39/26} (11... Nxf1 $17 {-1.09/24} 12. Kxf1 e6) 12. Ne5 {-1.41/23} (12. Ne3 $15 {-0.39/26} Nd4 13. Nxd4 Qxd4 14. Rb1) 12... e6 13. Ne3 {-2.46/23} (13. Bd2 $17 {-1.20/24}) 13... Bb4+ $19 14. Kf1 {next Nxf5 is good for White.} Nd6 {...Bc3 is the strong threat.} 15. Rb1 {-3.25/22} (15. Nd1 $142 {-2.00/24} dxc4 16. Be3) 15... O-O $2 {-1.17/25} (15... Bc3 $19 {-3.25/22 and Black stays clearly on top.} 16. Qf3 Bxe5 17. fxe5 {[#]} Nxc4 $1 18. Nxc4 Bxc4+ 19. Ke1 O-O) 16. Nd7 $17 Qd4 { -0.97/28} (16... Qc7 $19 {-1.82/24} 17. Nxf8 Rxf8) 17. Nxf8 Qxf4+ $2 {0.08/25} ({Much worse is} 17... Kxf8 $6 18. g3 $11) (17... Rxf8 $17 {-1.44/24} 18. g3 dxc4 19. bxc4 Nxc4) 18. Qf3 $11 Qxf3+ {0.37/25} (18... Qh4 $1 $11 {-0.09/28 is more appropriate.} 19. g3 (19. c3 Bxc3 20. Ba3 Ne4 $11) 19... Qh3+ 20. Qg2 Qxg2+ 21. Kxg2 Rxf8) 19. gxf3 $14 {aiming for Nd7.} Kxf8 {0.72/22} (19... Rxf8 $14 {0.31/28} 20. Kg2 Rb8) 20. Kg2 Bc5 {0.92/24} (20... d4 $14 {0.33/26}) 21. c3 {0.39/29} (21. a4 $16 {0.92/24}) 21... dxc4 22. Nxc4 {-0.33/26} (22. b4 $14 {0.51/22} Bb6 23. a4) 22... Nxc4 $15 23. bxc4 Bxc4 24. a4 Bb6 25. Re1 (25. Bf4 {is more complex.} c5 26. Ra1 Ke8 27. a5 Bd8 28. h4) 25... Ke7 {0.65/25} (25... c5 $11 {0.00/29}) 26. Be3 {0.00/27} (26. Rb4 $1 $14 {0.65/25} Ba6 27. Rg4) 26... Bxe3 {0.62/27} (26... Bd5 $11 {0.00/27}) 27. Rxe3 $11 {Endgame KRR-KRB} Kf6 {0.98/25} (27... g5 $14 {0.56/29}) 28. a5 {0.36/28} (28. Rb4 $16 {0.98/25} Ba6 29. Rf4+ Ke7 30. Re5) 28... a6 {1.25/27} (28... g5 $14 {0.36/28}) 29. Rb4 { 0.66/29} (29. Kg3 $16 {1.25/27}) 29... Bd5 $2 {3.61/25} ({Black should try} 29... Bb5 $1 $14 {0.66/29}) 30. c4 $2 {0.74/28} (30. Rf4+ $18 {3.61/25 is the precise move to win.} Kg5 31. Rxf7) 30... c5 $16 31. Ra4 {White has strong compensation.} Bc6 32. Raa3 Rb8 $2 {2.92/27} (32... Kf5 $16 {0.77/31}) 33. Rab3 Rd8 34. Rb6 Rd2+ 35. Kg3 Ba4 36. Rxa6 Rc2 $2 {5.64/28} (36... g5 {2.05/28} 37. Ra8 h5) 37. Rb6 Rxc4 $2 {9.72/30} (37... Ra2 {3.65/27} 38. Rd3 Ra1) 38. a6 Bc2 39. a7 {4.19/26} (39. Ra3 $142 {9.23/26} Rb4 40. a7 Rxb6 41. a8=Q) 39... Ra4 $18 40. Rb7 {1.94/28} (40. Rc3 $142 {4.19/27}) 40... c4 41. Rc3 {0.70/25} ({ Better is} 41. Rc7 $18 {1.75/25}) 41... Bd3 $14 42. Kf4 {0.00/29} ({White should play} 42. h4 $16 {0.77/25}) 42... e5+ 43. Ke3 Bf5 $2 {4.79/21 [#]} ( 43... g5 $1 $11 {-0.23/29 and Black stays safe.}) 44. Rxc4 $1 $18 Rxc4 {8.82/24 } (44... Ra2 $142 {4.69/27} 45. Rc6+ Be6) 45. a8=Q Rc3+ 46. Kf2 Rc2+ 47. Kg3 h6 48. Rb6+ {White mates.} Kg5 49. Qb7 Rc1 50. Qxf7 Rg1+ 51. Kf2 Rc1 52. Rb2 Kf4 53. Qxg7 h5 54. Qg3# {Accuracy: White = 22%, Black = 24%.} 1-0 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2011.06.05"] [Round "?"] [White "GWP"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1590"] [BlackElo "1520"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "41"] [EventDate "2011.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ bxc6 {0.82/22} (5... Qxc6 $11 { -0.29/23} 6. O-O f6) 6. b3 Ba6 {0.94/23} (6... Qc7 $14 {0.47/27 deserves consideration.}) (6... a5 7. Nc3 Ba6 8. Na4 Qa7 9. Ba3 e6 10. d4 cxd4 11. Bxf8 Kxf8 12. Qxd4 Qxd4 13. exd4 f6 14. Nc5 Kf7 15. Kd2 Ne7 16. Rhe1 Bc8 17. Re2 Re8 18. Rae1 Nf5 19. g4 Nd6 20. Rg1 Ra7 21. g5 {Huebner,W-Schindler,C (2241) Germany 2016 1/2-1/2}) 7. Bb2 $146 {0.26/24} (7. c4 $16 {0.94/23}) (7. Nc3 e6 8. Bb2 Nf6 9. Na4 Qb7 10. Ba3 Nd7 11. Ne5 Nxe5 12. fxe5 Qb5 13. d3 Be7 14. O-O O-O 15. Qg4 Rae8 16. Rf3 Qa5 17. Raf1 Bc8 18. Qh5 c4 19. Rh3 h6 20. Bxe7 Rxe7 21. Rg3 Kh7 {Robaina Bordon,H (1811)-Galvan Sarmiento,J (1990) Las Palmas 2015 1-0}) (7. d3 e6 8. Bb2 Nh6 9. c4 dxc4 10. dxc4 Bxc4 11. Nbd2 Ba6 12. Ne5 Rd8 13. Qc2 Nf5 14. Qe4 Be7 15. Bc3 Bh4+ 16. g3 Bf6 17. Kf2 Bxe5 18. Qxe5 Rd5 19. Qe4 O-O 20. g4 Nd6 21. Qg2 Qd8 {Cauchy Fernandez,A-Espineira Gonzalez,D (2292) Deba 2006 0-1}) 7... Nf6 {0.70/24} (7... Nh6 $11 {0.26/24 might be stronger.}) 8. d3 {-0.39/26} ({White should try} 8. Nc3 $14 {0.70/24}) 8... e6 $2 {1.22/23 [#]} (8... c4 $15 {-0.39/26 keeps the upper hand.}) 9. O-O {-0.02/26} (9. c4 $1 $16 {1.22/23}) 9... Be7 {0.62/25} (9... c4 $11 {-0.02/26} 10. Bd4 c5 11. Bxf6 gxf6) 10. Ne5 {0.00/24} (10. Re1 $14 {0.62/25}) 10... O-O {1.21/23} (10... c4 $1 $11 {0.00/24 keeps the balance.}) 11. Nd2 {0.31/25} (11. c4 $16 {1.21/23}) 11... Bd6 {1.80/20} (11... c4 $14 {0.31/25}) 12. Qe1 {0.56/25} (12. Rf3 $18 { 1.80/20}) 12... d4 {1.91/23} ({Black should play} 12... c4 $14 {0.56/25}) 13. e4 {0.82/28} (13. Qg3 $18 {1.91/23 has better winning chances.}) 13... Qc7 $16 14. Qg3 $2 {-0.35/27} (14. Ndf3 $16 {1.29/22}) 14... Nd7 $2 {2.50/25 [#]} ( 14... Nh5 $1 $15 {-0.35/27 stays ahead.} 15. Qg5 Nxf4) 15. Nxd7 $1 $18 Qxd7 16. e5 Be7 17. Ne4 f6 18. exf6 Bxf6 19. Nxc5 Qd5 {3.78/25} (19... Qd6 $142 {2.67/26 }) 20. Nxa6 {Threatens to win with Nc7.} c5 $2 {9.06/22} (20... Qa5 {3.08/27} 21. Qe1 Qxa6 22. Qxe6+ Kh8) 21. Nc7 {Accuracy: White = 10%, Black = 7%.} 1-0 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2014.04.10"] [Round "?"] [White "Rorest"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1542"] [BlackElo "1460"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "102"] [EventDate "2014.??.??"] {[%evp 9,102,-26,41,-18,3,-32,27,-35,28,-19,0,-17,0,-57,-13,-64,25,-50,7,-8,12, -8,17,-28,8,-45,0,-19,44,31,34,17,152,48,68,24,28,0,0,0,80,51,62,-8,99,-8,0, -23,0,0,0,-42,-5,-144,-159,-159,0,-174,0,0,0,0,8,-118,-7,-7,0,-7,0,0,0,0,0,-56, 0,-15,0,0,0,0,0,0,0,-29982,-29983,-29985,-29983,-29983,-29984,-29984,-29985, -29988,-29989,-29989,-29990]} 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 {A03 Bird's Opening with 1...d5} 5. a4 a6 {0.41/27} (5... e6 $11 {-0.26/26}) (5... Nf6 6. O-O Bg4 7. Nc3 a5 8. b3 e6 9. h3 Bh5 10. Bb2 Rd8 11. Ne2 Be7 12. g4 Bg6 13. d3 O-O 14. Ng3 h6 15. Qe1 Nb4 16. Rc1 Nd7 17. Bxd7 Rxd7 18. Ne5 Rdd8 19. f5 exf5 20. gxf5 {Schleining,Z (2376)-Sargsyan, S (2107) Plovdiv 2014 1-0 (56)}) 6. Bxc6+ {-0.18/27} (6. a5 $14 {0.41/27} Qc7 7. Bxc6+ Qxc6 8. O-O (8. b3 d4 9. Bb2 Qe4 10. O-O dxe3 11. Nc3 e2 12. Nxe2 Nf6 13. Ne5 Bf5 14. d3 Qe3+ 15. Kh1 Ng4 16. Ng3 Nf2+ 17. Rxf2 Qxf2 18. Nxf5 Qxf4 19. Ng3 f6 20. Ra4 Qg5 21. Rg4 Qh6 22. Nf3 O-O-O {Karlsson,L (2501)-Breivik,L (2236) Gausdal 2005 1-0 (51)})) 6... Qxc6 $11 7. b3 $146 (7. Ne5 Qc7 8. Nc3 Nf6 9. Qf3 e6 10. e4 d4 11. Ne2 b6 12. O-O Bb7 13. d3 g6 14. Bd2 Bg7 15. Qh3 O-O 16. Nf3 Rfd8 17. f5 exf5 18. exf5 Re8 19. Ng3 Qd7 20. Ng5 h6 21. N5e4 Bxe4 { Pelikan,J-Olivera,A Mar del Plata 1956 1/2-1/2 (63)}) 7... Nf6 {0.27/27} (7... b6 $15 {-0.32/24}) 8. Bb2 {-0.35/28} (8. a5 $11 {0.27/27}) 8... g6 {0.28/25} ( 8... b6 $15 {-0.35/28}) 9. Ne5 {-0.19/25} (9. O-O $142 {0.28/25}) 9... Qc7 10. O-O Bg7 11. d3 {-0.57/21} (11. Nf3 $11 {0.00/30}) 11... O-O {-0.13/25} (11... Ng4 $15 {-0.57/21} 12. Qf3 Be6) 12. Nd2 {-0.64/24} (12. Qc1 $11 {-0.13/25}) 12... Nd7 {0.25/25} (12... Ng4 $15 {-0.64/24} 13. Qe1 Nxe5 14. fxe5 Bxe5 15. Bxe5 Qxe5) 13. Ndf3 {-0.50/22} (13. Nxd7 $11 {0.25/25} Bxd7 14. Bxg7 Kxg7 15. Qf3) 13... b6 {0.07/27} (13... f6 $15 {-0.50/22} 14. Ng4 Nb8) 14. Nxd7 Bxd7 15. Bxg7 Kxg7 16. Ne5 {-0.28/25} (16. Qe1 $142 {0.17/24}) 16... f6 17. Nf3 { -0.45/21} (17. Nxd7 $11 {0.08/22} Qxd7 18. Qe2) 17... Rae8 {0.00/24} (17... b5 $15 {-0.45/21}) 18. Qe1 e5 {0.44/27} (18... Bc6 $11 {-0.19/27}) 19. fxe5 $14 fxe5 20. Qg3 Bc6 {1.52/22} (20... Qd6 $11 {0.17/29}) {[%tqu "En","","","", "d3d4","",10]} 21. Ng5 {0.48/30} (21. d4 $1 $16 {1.52/22}) 21... Qe7 22. Rxf8 { 0.24/28} ({Inferior is} 22. Qh4 h6 $17) (22. a5 $14 {0.68/25 is more appropriate.}) 22... Rxf8 $11 23. Rf1 Rxf1+ 24. Kxf1 h6 {0.80/26} (24... e4 $11 {0.00/31}) 25. Nf3 $16 e4 26. Qe5+ {-0.08/37} (26. dxe4 $14 {0.62/26} dxe4 27. Ne5) 26... Kf7 {0.99/24} (26... Qxe5 $11 {-0.08/37 keeps the balance.} 27. Nxe5 Be8) 27. Qxe7+ {-0.08/40} (27. Qf4+ $16 {0.99/24} Kg7 28. Ne5) 27... Kxe7 { [%mdl 4096] Endgame KB-KN} 28. Ne5 Be8 29. dxe4 dxe4 30. c3 {-0.42/38} (30. Kf2 $11 {0.00/41}) 30... Ke6 31. Ng4 {-1.44/39} (31. Nc4 $11 {-0.05/45 was the only way to keep the balance.}) 31... h5 $17 32. Nf2 {[%tqu "En","","","", "c5c4","",10]} Ke5 $2 {0.00/45 [#]} (32... c4 $1 $17 {-1.59/35 [%mdl 512]} 33. bxc4 Bxa4 34. Nxe4 Bc2 35. Ng5+ Kd6) {[%tqu "En","","","","c3c4","",10]} 33. Ke2 $2 {-1.74/34} (33. c4 $1 $11 {0.00/45 and White is okay.}) {[%tqu "En","", "","","c5c4","",10]} 33... Bf7 $2 {0.00/45} ({Better is} 33... c4 $1 $19 { -1.74/34 [%mdl 512]} 34. b4 (34. bxc4 Bxa4) 34... Bxa4) 34. c4 $11 Be8 35. Kd2 b5 36. Kc3 {-1.18/32} (36. cxb5 $11 {0.08/44 remains equal.} axb5 37. a5) 36... b4+ {-0.07/63} (36... bxa4 $17 {-1.18/32} 37. Nd1 g5) 37. Kd2 Bd7 38. Ke2 g5 39. Nh3 Bxh3 40. gxh3 {KP-KP} Kf5 {-0.56/47} (40... Ke6 $11 {0.00/59}) 41. Kf2 $15 a5 {0.00/69} ({Black should play} 41... Kf6 $15 {-0.56/47}) 42. Kg3 Ke5 43. h4 Kf5 44. hxg5 Kxg5 45. h4+ Kf5 46. Kg2 $2 {-#18/63 [%mdl 8192] [#]} (46. Kh3 $11 {0.00/68}) 46... Kg4 {Black mates.} 47. Kh2 Kxh4 48. Kg2 Kg4 49. Kf2 Kh3 50. Kf1 Kg3 51. Ke2 Kg2 {Accuracy: White = 25%, Black = 26%.} 0-1 [Event "ICC tourney 433531 (5 0)"] [Site "Internet Chess Club"] [Date "2014.08.15"] [Round "3"] [White "Fzchess"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1320"] [BlackElo "1541"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "54"] [EventDate "2014.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ Qxc6 6. O-O {-0.48/23} (6. Ne5 $11 { 0.18/24} Qa6 7. Nc3) 6... Nf6 {0.22/26} (6... Bg4 $15 {-0.48/23}) 7. b3 $11 e6 {0.16/24} (7... g6 $142 {-0.25/23}) 8. Bb2 {-0.25/23} (8. a4 {0.16/24 deserves consideration.}) 8... Be7 9. Ne5 $146 (9. d3 O-O 10. Nbd2 b5 11. Ne5 Qc7 12. Ng4 Nxg4 13. Qxg4 f6 14. Qe2 a5 15. c4 dxc4 16. dxc4 b4 17. e4 Bb7 18. f5 exf5 19. Rxf5 Bd6 20. Rh5 Rae8 21. Rh4 Bf4 22. Rd1 Bg5 23. Rg4 Bc8 {Schiller,T (1844)-Atri Sangari,J (2109) Pinneberg 2007 0-1 (33)}) 9... Qc7 {0.43/25} (9... Qd6 $11 {0.00/25}) 10. d3 {-0.46/23} (10. a4 $14 {0.43/25}) 10... O-O {0.33/24} (10... b5 $15 {-0.46/23}) 11. Nd2 {-0.28/22} (11. c4 $14 {0.33/24}) 11... b6 12. a4 {-0.47/23} (12. Rf3 $11 {0.00/27 should be considered.}) 12... Bb7 $15 13. c4 Rad8 {-0.13/25} ({Better is} 13... Ne8 $17 {-0.77/24}) 14. e4 $2 { -2.02/22 [#]} (14. a5 $11 {-0.13/25 and White is okay.}) 14... dxe4 $19 15. Nxe4 $2 {-5.99/22} (15. Re1 {-2.02/30 is tougher.}) 15... Nxe4 16. dxe4 Rxd1 17. Raxd1 Bxe4 {White must now prevent ...Rd8.} 18. Rd7 Qc8 19. Rfd1 {-10.67/25 } (19. Rxe7 $142 {-4.75/23} Qa8 20. Nf3) 19... Bf6 20. R1d6 Rd8 21. Rxd8+ Bxd8 22. Ng4 Qc7 23. Be5 Qc8 24. Ne3 f6 25. Bc3 Bc7 26. Rd2 Bxf4 27. g3 Bxe3+ { Accuracy: White = 17%, Black = 17%.} 0-1 [Event "The Castle of Chenonceau - super semi-o"] [Site "Chess.com"] [Date "2014.10.29"] [Round "?"] [White "makiling13"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1421"] [BlackElo "1897"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "36"] [EventDate "2014.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ Qxc6 6. d4 $146 {-1.03/21} (6. Ne5 $11 {0.26/24 remains equal.} Qa6 (6... Qc7 7. Nc3 Nf6 8. O-O a6 9. b3 e6 10. Bb2 Bd6 11. Ne2 b5 12. c4 Bb7 13. Rc1 dxc4 14. bxc4 O-O 15. cxb5 axb5 16. d4 c4 17. Nc3 Ra5 18. a4 bxa4 19. Nxa4 Bxe5 20. fxe5 Qc6 21. Qc2 {Thonig,M (1667)-Bagci, H (1872) Bayerisch Eisenstein 2013 0-1 (32)}) 7. Nc3) (6. b3 f6 (6... Nf6 7. Bb2 g6 8. O-O Bg7 9. Ne5 Qc7 10. d3 O-O 11. Nd2 Ng4 12. Nxg4 Bxb2 13. Rb1 Bc3 14. Nf2 b5 15. Qc1 Qa5 16. Nf3 Qxa2 17. Nd1 Bg7 18. Ne5 Qa6 19. Nf2 Qd6 20. Nf3 a5 21. d4 {Ritter,U (1953)-Von Herman,U (2354) Berlin 2017 0-1}) 7. Bb2 Nh6 8. O-O b6 9. d3 e6 10. Nbd2 Bd6 11. Qe2 O-O 12. Kh1 Bb7 13. Rae1 Rae8 14. a4 Bc7 15. Nh4 e5 16. fxe5 Bxe5 17. Bxe5 Rxe5 18. Nhf3 Re7 19. e4 Rfe8 20. exd5 Rxe2 { Matrosov,V (2105)-Eliseev,A (2424) St Petersburg 2007 0-1 (36)}) (6. O-O Nf6 7. Ne5 Qc7 8. Qe1 g6 9. d3 Nd7 10. Nf3 Bg7 11. Nc3 Qc6 12. e4 dxe4 13. dxe4 b6 14. Qh4 Ba6 15. Re1 Bxc3 16. bxc3 Qf6 17. Qh3 O-O-O 18. Rb1 Bc4 19. a4 Kb7 20. Nd2 Ba6 {Iliesco,J-Michel,P Mar del Plata 1941 1/2-1/2 (73)}) 6... cxd4 {-0.30/27} (6... Bg4 $17 {-1.03/21}) 7. exd4 {-0.95/24} (7. Qxd4 $11 {-0.30/27 keeps the balance.} e6 8. Nc3) 7... Bf5 {-0.37/26} (7... Bg4 $17 {-0.95/24}) 8. Nc3 { -1.14/24} (8. O-O $15 {-0.37/26}) 8... Nf6 {-0.07/23} (8... e6 $17 {-1.14/24}) 9. O-O {-1.27/24} (9. Ne5 $11 {-0.07/23} Qc8 10. O-O) 9... e6 $2 {0.73/22 [#]} (9... h5 $17 {-1.27/24}) 10. Be3 $2 {-1.14/23} (10. Ne5 $16 {0.73/22 is necessary to keep the advantage.} Qc7 11. g4) 10... Bb4 {-0.51/25} (10... h5 $17 {-1.14/23}) 11. Ne5 $15 Qc8 {-0.48/28} ({Better is} 11... Qa6 $17 {-0.99/24 } 12. g4 Be4) 12. Qe2 {-1.56/26} (12. g4 $15 {-0.48/28} Bxc3 13. gxf5 Bxb2 14. Rb1) 12... O-O {-0.62/29} (12... Bxc3 $17 {-1.56/26} 13. bxc3 O-O) 13. g4 { -1.58/23} (13. Bd2 $1 $15 {-0.62/29}) 13... Bxc3 $17 14. bxc3 {-1.53/25} (14. gxf5 $142 {-1.09/27} Bxb2 15. Rab1) 14... Be4 15. c4 Qc7 {-0.66/26} (15... dxc4 $17 {-1.54/21} 16. Bc1 Bg6) 16. g5 {-1.21/22} ({White should play} 16. cxd5 $15 {-0.66/26} exd5 17. Rac1) 16... Nd7 17. c5 Rac8 {-0.86/26} (17... Nxe5 $19 { -1.62/23} 18. dxe5 b6 19. cxb6 axb6) 18. c4 {-1.65/23} (18. Rf2 $17 {-0.86/26 was worth a try.}) 18... b6 {-0.99/28 Accuracy: White = 8%, Black = 26%.} ( 18... f6 $19 {-1.65/23} 19. Ng4 Qc6 20. gxf6 gxf6) 0-1 [Event "Rated Rapid game"] [Site "https://lichess.org/i3z6th8N"] [Date "2016.11.10"] [Round "?"] [White "RenanChess"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "2047"] [BlackElo "2034"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "80"] [EventDate "2016.??.??"] [EventType "rapid"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. e3 Nc6 4. Bb5 Qb6 { A03 Bird's Opening with 1...d5} 5. Bxc6+ Qxc6 6. Ne5 (6. b3 f6 (6... Nf6 7. Bb2 g6 8. O-O Bg7 9. Ne5 Qc7 10. d3 O-O 11. Nd2 Ng4 12. Nxg4 Bxb2 13. Rb1 Bc3 14. Nf2 b5 15. Qc1 Qa5 16. Nf3 Qxa2 17. Nd1 Bg7 18. Ne5 Qa6 19. Nf2 Qd6 20. Nf3 a5 21. d4 {Ritter,U (1953)-Von Herman,U (2354) Berlin 2017 0-1}) 7. Bb2 Nh6 8. O-O b6 9. d3 e6 10. Nbd2 Bd6 11. Qe2 O-O 12. Kh1 Bb7 13. Rae1 Rae8 14. a4 Bc7 15. Nh4 e5 16. fxe5 Bxe5 17. Bxe5 Rxe5 18. Nhf3 Re7 19. e4 Rfe8 20. exd5 Rxe2 { Matrosov,V (2105)-Eliseev,A (2424) St Petersburg 2007 0-1 (36)}) 6... Qc7 7. O-O Nf6 8. b3 $146 {The position is equal.} (8. Qe1 g6 9. d3 Nd7 10. Nf3 Bg7 11. Nc3 Qc6 12. e4 dxe4 13. dxe4 b6 14. Qh4 Ba6 15. Re1 Bxc3 16. bxc3 Qf6 17. Qh3 O-O-O 18. Rb1 Bc4 19. a4 Kb7 20. Nd2 Ba6 21. Nb3 Ka8 22. a5 b5 {Iliesco, J-Michel,P Mar del Plata 1941 1/2-1/2 (73)}) 8... e6 9. Bb2 Bd6 {0.14/26} (9... Be7 $15 {-0.38/23}) 10. Rf3 Bd7 {0.42/21} (10... Be7 $11 {-0.13/27}) 11. d3 Bc6 {0.72/26} (11... O-O $11 {0.18/25}) 12. Rg3 $16 Bf8 13. Nd2 (13. a4 {feels hotter.} a6 14. Nd2 O-O-O 15. Qe1 h5 16. Rc1) 13... O-O-O 14. Nxc6 {0.45/24} ( 14. b4 $16 {0.89/23}) 14... Qxc6 $14 15. a4 {0.26/25} ({Better is} 15. Qe2 $16 {0.73/23}) 15... Ne8 {0.81/21} (15... Kb8 $11 {0.26/25 keeps the balance.}) 16. Nf3 {0.06/26} (16. a5 $16 {0.81/21}) 16... f6 $11 17. Qe2 Nd6 {0.52/23} (17... Kb8 $11 {0.05/26}) 18. c4 {-0.15/28} (18. Re1 $14 {0.52/23}) 18... Nf5 19. Rh3 d4 {0.93/25} (19... Kb8 $11 {-0.11/26}) 20. exd4 $16 cxd4 {[#]} 21. g4 {0.48/25 } (21. Re1 $1 $16 {0.90/23}) 21... Nh6 $14 22. Nxd4 $2 {-3.90/25} ({But not} 22. Bxd4 $2 {[#]} Rxd4 $1 23. b4 (23. Nxd4 $2 {loses.} Bc5 $19) 23... Rxf4 $19) (22. Re1 $14 {0.70/27}) 22... Qb6 $4 {4.09/24} (22... Bc5 $19 {-3.90/25} 23. Qe3 Qd7) 23. Qxe6+ Qxe6 24. Nxe6 Re8 25. Nxf8 Rhxf8 26. Rg3 Re2 27. h3 $4 { -3.87/26} (27. Bd4 $18 {2.37/28 and life is good for White.}) 27... Rxb2 $19 28. Ra3 Re8 29. Kf1 Ree2 30. d4 Rf2+ 31. Ke1 Rxf4 {-6.62/26} (31... Rh2 $142 { -#3/72} 32. Ra1 Rh1+ 33. Rg1 Rxg1#) 32. Re3 Rxd4 {-6.77/28} (32... Rff2 $142 { -15.57/25} 33. Ra1 Rh2) 33. Re8+ Rd8 34. Re7 Rd7 35. Re8+ Kc7 36. c5 Nf7 { Hoping for ...Rdd2.} 37. h4 Ne5 {( -> ...Nf3+)} 38. g5 Nf3+ {Black mates.} 39. Kf1 Rd1+ 40. Re1 Rxe1# {Accuracy: White = 9%, Black = 21%.} 0-1