A02 Bird's Opening (1.f4 Nf6 2.Nf3 g6 3.b3 Bg7 4.Bb2 O-O 5.g3 d6 6.Bg2)

[Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2014.08.24"] [Round "?"] [White "Vierjoki, Timo"] [Black "pkktet"] [Result "1-0"] [ECO "A02"] [WhiteElo "1573"] [BlackElo "1480"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "29"] [EventDate "2014.??.??"] 1. f4 Nf6 {A03 Bird Opening} 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 { A02 Bird's Opening} e5 {-0.03/25} (6... Nc6 $17 {-0.85/23}) 7. fxe5 $11 Ng4 8. O-O {-0.43/26} (8. Nc3 $11 {0.10/27} dxe5 9. e4 Nc6 10. O-O Nd4 11. h3 Nf6 12. g4 h5 13. Nxe5 hxg4 14. hxg4 Be6 15. Ne2 Nxe2+ 16. Qxe2 Nxg4 17. Nxg4 Bxb2 18. Rad1 Qh4 19. Bf3 Bd4+ 20. Kg2 Rae8 21. Qe1 Qg5 22. Qg3 f5 23. exf5 {Paravyan,D (2551)-Dubov,D (2666) St Petersburg 2017 0-1 (51)}) 8... Nxe5 $146 {0.48/28} ({ Black should play} 8... dxe5 $15 {-0.43/26} 9. e4 (9. h3 e4 $17) 9... Nc6) ( 8... Nc6 9. Nc3 (9. e3 dxe5 10. e4 h5 11. Na3 f5 12. Nh4 f4 13. Nxg6 Rf6 14. Nh4 Nxh2 15. Kxh2 fxg3+ 16. Kxg3 Rxf1 17. Qxf1 Qg5+ 18. Kh2 Qxh4+ 19. Kg1 Be6 20. Qf2 Qg5 21. Qe3 Qxe3+ 22. dxe3 Rd8 23. Kh2 a6 {Pinazo Donoso,J-Gual Pascual,A (2453) Banyoles 2000 1/2-1/2 (41)}) (9. e4 Ngxe5 10. Nxe5 Bxe5 11. d4 Bg7 12. Qd3 Nb4 13. Qd2 c5 14. Na3 Nc6 15. c3 cxd4 16. cxd4 f5 17. exf5 Bxf5 18. Bd5+ Kh8 19. Nc4 Qd7 20. Bg2 Bh3 21. d5 Bxg2 22. Bxg7+ Kxg7 23. Qc3+ Kg8 { Szczepkowska,K (2331)-Masternak,A (2253) Poland 2007 1/2-1/2 (54)}) 9... dxe5 10. h3 Nf6 11. a4 Nh5 12. Qe1 e4 13. Nh2 f5 14. g4 Nf6 15. e3 fxg4 16. hxg4 Nxg4 17. Rxf8+ Qxf8 18. Bxe4 Nxh2 19. Kxh2 Ne5 20. Kg2 Qd6 21. Kg1 Bf5 22. Qe2 Rd8 23. Rf1 {Kovalenko,I-Tukhaev,A (2354) Alushta 2004 1/2-1/2 (55)}) 9. Nxe5 $14 Bxe5 {0.85/23} (9... dxe5 $11 {-0.15/25 remains equal.} 10. Nc3 Nc6) 10. Bxe5 {0.33/24} (10. d4 $16 {0.85/23} Bg7 11. Nc3) 10... dxe5 11. Nc3 Nc6 { 0.66/24} (11... f5 $11 {-0.04/26}) 12. e3 Be6 {0.86/24} (12... Kg7 $11 {0.18/27 }) 13. Qe2 {0.37/27} (13. Ne4 $16 {0.86/24}) 13... Qd7 {1.51/21 [#]} (13... Rb8 $14 {0.37/27}) 14. Ne4 $1 $16 {aiming for Nf6+.} b6 $2 {14.62/23} (14... f5 $16 {1.43/29}) 15. Nf6+ {Accuracy: White = 55%, Black = 3%.} 1-0