A03 Bird's Opening with 1...d5 (1.f4 d5 2.Nf3 c5 3.d3 Nf6 4.g3 Nc6 5.Bg2 e6 6.O-O)

[Event "ICC 10 0"] [Site "Internet Chess Club"] [Date "2014.11.11"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1553"] [BlackElo "1534"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "59"] [EventDate "2014.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. d3 Nf6 4. g3 Nc6 5. Bg2 e6 6. O-O {A03 Bird's Opening with 1...d5} Qb6 {0.87/22} (6... Be7 $15 { -0.36/22}) 7. Kh1 {-0.29/25} (7. c4 $16 {0.87/22}) (7. c3 Bd6 8. Qe1 c4+ 9. d4 Bd7 10. Nh4 O-O-O 11. Nd2 Rde8 12. Kh1 Ne7 13. e4 Nxe4 14. Bxe4 dxe4 15. Nxc4 Qc6 16. Ne5 Bxe5 17. fxe5 Nf5 18. Ng2 h5 19. Rf4 g5 20. Rxe4 h4 21. Bxg5 hxg3 { Hillmann,R (2022)-Filipiak,T (2149) Leipzig 2005 0-1}) 7... Bd6 {0.74/22 [#]} ( 7... Be7 $11 {-0.29/25 keeps the balance.} 8. c4 d4 9. Na3 h5 10. Nc2 h4 11. Nxh4 Nh5 12. Kg1 Bxh4 13. gxh4 Bd7 14. Bd2 a5 15. Ne1 Qc7 16. a3 Ne7 17. e4 dxe3 18. Bxe3 Nf5 19. Bd2 Nxh4 20. Be4 Bc6 21. Ng2 Nf5 22. Bc3 O-O-O { Porozhniak,M (2021)-Filippova,D (1955) Sochi 2018 0-1 (38)}) 8. Qe1 $146 { -0.19/26} (8. e4 $1 $16 {0.74/22}) (8. c3 Qc7 9. Qe1 b6 10. e4 Nd7 11. Qe2 e5 12. f5 f6 13. h3 dxe4 14. dxe4 Ndb8 15. Qf2 Qf7 16. Nbd2 Bb7 17. h4 Ne7 18. Kg1 c4 19. Qe2 b5 20. a4 Ba6 21. axb5 Bxb5 22. Rd1 Nd7 {Steadman,M (1473)-Fu,A Devonport 2016 1/2-1/2 (45)}) 8... O-O {0.36/25} (8... Qc7 $11 {-0.19/26}) 9. e4 $14 {Black must now prevent e5.} dxe4 {0.82/25} (9... Be7 $11 {0.00/27 remains equal.}) 10. dxe4 $16 Be7 11. Nc3 {-0.20/26} (11. b3 $14 {0.70/24}) 11... a6 {0.70/25} ({Better is} 11... Bd7 $11 {-0.20/26}) 12. e5 {0.17/28} (12. h3 $14 {0.70/25}) 12... Nd5 $11 {[#]} 13. Nxd5 {-0.53/25} (13. Ne4 $1 $16 { 0.82/28}) 13... exd5 $15 14. c3 {-0.67/24} ({White should play} 14. c4 $11 { -0.10/25} d4 15. Qd1) 14... Be6 {0.32/28} (14... Bf5 $15 {-0.67/24}) 15. h3 { -0.77/23} (15. Nd2 $14 {0.32/28 stays ahead.}) 15... Rfd8 {-0.12/26} (15... Rad8 $17 {-0.77/23}) 16. g4 $11 d4 17. f5 {-0.62/21} ({White should try} 17. Nd2 $11 {0.18/27}) 17... Bd5 {0.04/23} (17... Bc4 $15 {-0.62/21}) 18. Ng5 { -0.90/27} (18. e6 $11 {0.04/23}) 18... Bxg2+ 19. Kxg2 dxc3 {-0.07/31} (19... Bxg5 $15 {-0.54/24} 20. Bxg5 Re8) 20. bxc3 {And now f6 would win.} Rd3 $2 { 2.82/24} (20... Bxg5 $11 {-0.07/31} 21. Bxg5 Rd3) 21. f6 $18 {aiming for Qe4.} gxf6 $2 {8.01/22} (21... Nxe5 {2.84/28} 22. fxe7 Qc6+ 23. Qe4 f6) 22. exf6 { Qe4 is the strong threat.} Bd6 23. Qh4 Rg3+ 24. Kh1 Kf8 25. Qxh7 Ke8 26. Qxf7+ Kd8 {[#]} 27. Qg8+ {8.04/26} (27. Rb1 $142 $3 {22.80/24} Rxh3+ (27... Qxb1 28. Ne6+) 28. Kg2 Rg3+ 29. Kf2) 27... Kc7 28. Qxa8 $2 {0.00/26} (28. f7 $18 { 7.64/24} Ne7 29. Qe8 (29. Qxa8 $2 {loses.} Qc6+ 30. Rf3 Rxf3 $19) (29. Ne6+ $2 Kd7 $19) 29... Qc6+ 30. Qxc6+ Kxc6 31. f8=Q Rxf8 32. Rxf8) 28... Ne5 $2 { 17.21/23} (28... Nd8 $11 {0.00/26} 29. Ne4 Qc6) 29. Qe8 Rxc3 30. Ne6# { Accuracy: White = 25%, Black = 21%.} 1-0