A03 Bird's Opening with 1...d5 (1.f4 d5 2.Nf3 c5 3.d3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O)

[Event "ICC 10 0"] [Site "Internet Chess Club"] [Date "2014.11.01"] [Round "?"] [White "Kojjootti"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1595"] [BlackElo "1559"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "45"] [EventDate "2014.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 c5 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O {A03 Bird's Opening with 1...d5} Qb6 {0.91/26} (6... Nf6 $15 { -0.40/25 stays ahead.}) (6... b6 7. c3 Bb7 8. Qc2 Nf6 9. e4 c4 10. e5 cxd3 11. Qxd3 Ne4 12. Nbd2 Nc5 13. Qe3 e6 14. Nb3 Qe7 15. Nbd4 O-O 16. Nxc6 Bxc6 { 1/2-1/2 (16) Sydor,A (2395)-Estrin,Y (2450) Lublin 1974}) 7. e3 $146 {-0.76/24 [#]} (7. Nc3 $16 {0.91/26} Nf6 8. e4 dxe4 9. dxe4 Be6 10. e5 Ng4 11. Nd5 Bxd5 12. Qxd5 c4+ 13. Kh1 Nf2+ 14. Kg1 Ng4+ 15. Kh1 O-O 16. h3 Nb4 17. Qxc4 Rac8 18. Qb3 Nxc2 19. Qxb6 axb6 20. Rb1 Nge3 21. Bxe3 Nxe3 22. Rfc1 {Kuhn,U (2015) -Becker,R (2156) Griesheim 2003 0-1 (31)}) (7. c3 Nf6 (7... Nh6 8. e3 O-O 9. Qe2 Bg4 10. Nbd2 Rae8 11. h3 Bd7 12. e4 dxe4 13. dxe4 e5 14. Nc4 Qc7 15. fxe5 Nxe5 16. Nfxe5 Rxe5 17. Bf4 Bb5 18. b3 Qe7 19. Qd2 Rd8 20. Qc1 Bxc4 21. bxc4 g5 22. Bxe5 {Bautz,V-Katzich,A Germany 1995 1-0 (46)}) 8. Qe1 Bf5 9. h3 c4+ 10. d4 Bxb1 11. Rxb1 Ne4 12. Kh2 f5 13. Nd2 O-O 14. Nxe4 fxe4 15. e3 e6 16. b3 Rf7 17. Ba3 Qa6 18. Qc1 Rc8 19. Re1 Bf8 20. Bxf8 Rcxf8 21. bxc4 Qxc4 {Puls,T-Wallhof,D Germany 1991 1-0 (39)}) 7... Bxb2 $17 8. Bxb2 Qxb2 {Black is slightly better.} 9. Nbd2 Qb6 {0.40/24} (9... Nf6 $17 {-0.88/23}) 10. c4 {-0.13/23} (10. Rb1 $14 {0.40/24} Qc7 11. c4) 10... e6 {1.26/27} (10... Nf6 $11 {-0.13/23 remains equal.}) 11. cxd5 {0.58/25} (11. e4 $16 {1.26/27}) 11... exd5 $14 12. Ng5 { -0.51/23} (12. Qc1 $16 {0.96/25}) 12... Nf6 {0.00/26} (12... h6 $15 {-0.51/23} 13. Rb1 Qd8) 13. Kh1 $2 {-1.65/23} (13. Qc1 $11 {0.00/26}) 13... O-O $19 14. e4 dxe4 {-0.53/25} ({Better is} 14... Qd8 $17 {-1.51/22} 15. Rc1 Ng4) 15. Ngxe4 $15 Nxe4 16. dxe4 {-1.47/23} (16. Nxe4 $11 {-0.22/26} Bf5 17. Rb1 Bxe4 18. Rxb6 Bxg2+ 19. Kxg2 axb6 20. Qb3) 16... Be6 {-0.26/26} (16... Qc7 $17 {-1.47/23} 17. Nc4 Rd8) 17. f5 $11 {aiming for Rb1.} Bc8 {0.79/26 [#]} (17... Bd7 $11 { -0.26/26}) 18. Qg4 {-0.52/26} (18. Nc4 $1 $16 {0.79/26} Qd8 19. Qc1) 18... h6 { 0.58/24} (18... f6 $1 $15 {-0.52/26}) 19. Qh4 {White has compensation.} Kh7 $2 {12.44/23} (19... Ne5 $14 {0.37/27}) 20. Nf3 $2 {0.22/27} (20. fxg6+ $18 { 12.44/23} Kg7 21. Qf6+ Kg8 22. g7) 20... Bd7 $2 {#4/29} (20... Qd8 $11 {0.22/27 }) 21. Ng5+ {White mates.} Kg7 22. f6+ Kg8 23. Qxh6 {Accuracy: White = 24%, Black = 11%.} 1-0