A03 Bird's Opening with 1...d5 (1.f4 d5 2.Nf3 Nf6 3.e3 c5 4.b3 Nc6 5.Bb2 e6 6.Be2 Be7 7.O-O O-O)

[Event ""] [Site "?"] [Date "2011.10.09"] [White "SP"] [Black "Vierjoki, Timo"] [Result "1-0"] [ECO "A03"] [WhiteElo "1906"] [BlackElo "1844"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "93"] 1. f4 d5 2. Nf3 Nf6 3. e3 c5 {A03 Bird Opening: Lasker Variation} 4. b3 Nc6 5. Bb2 e6 6. Be2 Be7 7. O-O O-O {0.39/25 A03 Bird's Opening with 1...d5} (7... b6 $11 {-0.08/29 is superior.}) 8. d4 {-0.35/24} (8. Ne5 $1 $14 {0.39/25}) 8... Qb6 $146 {0.09/26} (8... Ng4 $15 {-0.35/24} 9. Qd3 b6) (8... Ne4 9. Nbd2 f5 10. Ne5 cxd4 11. exd4 Nxe5 12. Nxe4 fxe4 13. fxe5 Bd7 14. Qd2 Qc7 15. c4 Rae8 16. Qc3 a6 17. Qh3 Bc8 18. Rac1 Qa5 19. Bg4 Rxf1+ 20. Rxf1 Bg5 21. cxd5 Qd2 22. Qc3 Qxc3 23. Bxc3 {Borisovaite,A (1400)-Barsciauskas,G (1672) Klaipeda 2017 0-1 (37)}) (8... cxd4 9. Nxd4 Qb6 10. Kh1 (10. Nd2 Nxd4 11. exd4 Bd7 12. a4 Rac8 13. Kh1 Qc7 14. Bd3 Bd6 15. Qf3 Bc6 16. Rae1 Ne4 17. Re2 f5 18. Nb1 Rf6 19. Ba3 Bxa3 20. Nxa3 Qe7 21. Nb1 Rh6 22. Bxe4 dxe4 23. Qe3 Qh4 24. g3 Qh3 {Hatchett,P (1945)-Stayt,J (1983) England 2013 1-0 (47)}) 10... Bd7 11. Nd2 Rac8 12. Bd3 g6 13. N2f3 Ne8 14. Qe2 Bf6 15. Nxc6 Bxc6 16. Ne5 Bg7 17. Ba3 Qa5 18. Bxf8 Kxf8 19. Qe1 Qa3 20. Qd2 Nd6 21. c3 Be8 22. Rac1 b5 23. Rc2 {Duran,M-Martinez,C (2247) Cartagena 2011 0-1 (47)}) 9. Qc1 {-0.61/20} (9. Ne5 $11 {0.09/26}) 9... Ne4 {0.14/29} (9... Rd8 $15 {-0.61/20}) 10. c4 {-0.59/25} (10. Nc3 $11 {0.14/29 }) 10... Nb4 {0.38/25} (10... Rd8 $15 {-0.59/25}) 11. Nc3 $14 Nxc3 12. Qxc3 { [#] Threatens to win with dxc5.} Bf6 {0.97/24} ({Better is} 12... f6 $14 { 0.44/27}) 13. Ne5 $16 cxd4 14. exd4 Rd8 {1.69/30} (14... dxc4 $16 {0.84/26} 15. bxc4 (15. Nxc4 Nd5 $14) (15. Qxc4 Rd8 $11) 15... Nc6) 15. c5 $18 Qa5 16. a3 Nc6 17. b4 Qc7 18. Qh3 {0.80/27} (18. b5 $18 {1.95/24 is more deadly.}) 18... g6 { 1.35/25} (18... a6 $142 {0.80/27}) 19. Bd3 {0.77/27} (19. b5 $142 {1.35/25} Ne7 20. a4) 19... Bg7 {1.27/26} ({Black should try} 19... a6 {0.77/27}) 20. b5 $36 {White is really pushing.} Ne7 21. Qf3 {0.75/30} (21. Qe3 $142 {1.32/24}) 21... Bd7 {1.35/23} (21... f6 $142 {0.75/30}) 22. Bc3 {0.91/28} ({White should play} 22. a4 {1.35/23}) 22... Be8 23. a4 Rdb8 {1.58/24} (23... f6 $142 {0.95/26}) 24. h4 {0.75/27} (24. Qf2 $142 {1.58/24}) 24... Kf8 $2 {2.51/21} (24... f6 $16 { 0.75/27}) 25. Rfe1 $2 {0.94/28} (25. h5 $18 {2.51/21 has better winning chances.}) 25... Bd7 $2 {2.89/21} (25... f6 $16 {0.94/28}) 26. h5 $18 Ng8 $2 { 6.02/24} (26... a6 {2.66/25} 27. hxg6 hxg6) 27. Bb4 Ke8 28. Rac1 Nf6 29. hxg6 hxg6 30. g4 a6 31. g5 Ng8 32. Qh3 Bxe5 33. fxe5 axb5 34. Qh8 Rxa4 35. Rb1 { 6.07/30} (35. c6 $142 {16.78/25} Bxc6 36. Rf1) 35... Ke7 36. Qg7 Bc6 37. Rf1 Rf8 38. Bxg6 Be8 {[#]} 39. c6+ {10.99/27} (39. Bxf7 $142 $1 {#22/29} Bxf7 40. g6 Nh6 41. Qxh6 Ke8 42. gxf7+ Qxf7 43. Rxf7 Rxf7 44. Qxe6+ Kf8 45. Bd2) 39... Rxb4 40. Rxb4 bxc6 41. Bh7 Qa5 42. Rbb1 Qc3 43. Kg2 ({And not} 43. Bxg8 Qg3+ 44. Kh1 Qh3+ 45. Kg1 Qg3+ 46. Kh1 Qh3+ 47. Kg1 Qg3+ $11) 43... Qxd4 {intending ...Qg4+.} 44. Kg3 ({Not} 44. Bxg8 Qg4+ 45. Kh1 Qh3+ 46. Kg1 Qg3+ 47. Kh1 Qh3+ 48. Kg1 Qg3+ 49. Kh1 Qh3+ $11) 44... Qe3+ 45. Rf3 Qd2 46. Bxg8 b4 47. Rbf1 { 47.62/27 Accuracy: White = 28%, Black = 11%.} (47. Ra1 $142 {#24/28} Kd8 48. Qxf8 Qxg5+ 49. Kh3 Qh5+ 50. Kg2 Qg4+ 51. Rg3 Qe4+ 52. Kh3) 1-0 [Event "ICC 5 0"] [Site "Internet Chess Club"] [Date "2019.03.06"] [Round "?"] [White "RowenBub"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1677"] [BlackElo "1666"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "68"] [EventDate "2019.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. b3 Nf6 3. Bb2 e6 4. Nf3 Be7 5. e3 O-O 6. Be2 c5 7. O-O Nc6 {0.40/26 A03 Bird's Opening with 1...d5} (7... b6 $15 {-0.47/25}) 8. Bb5 {-0.66/22} (8. Ne5 $14 {0.40/26}) 8... Qb6 {0.02/27} ( 8... Na5 $15 {-0.66/22}) (8... Bd7 9. a4 (9. Qe2 Qc7 10. d3 a6 11. Bxc6 Bxc6 12. Ne5 Nd7 13. Nd2 f6 14. Nxc6 Qxc6 15. Nf3 Bd6 16. g3 e5 17. fxe5 Nxe5 18. Nxe5 Bxe5 19. Bxe5 fxe5 20. e4 {1/2-1/2 (20) Rossello Padron,C (1863)-Moyano Garcia,R (2009) Las Palmas 2015}) 9... a6 10. Bxc6 Bxc6 11. Ne5 Be8 12. a5 Rc8 13. d3 Nd7 14. Nd2 f6 15. Nxd7 Qxd7 16. e4 Bg6 17. Qe2 Bd6 18. h4 h5 19. Qf3 Bc7 20. Rf2 Qc6 21. Ra4 c4 22. exd5 exd5 23. dxc4 {Karlsson,L (2469)-Ivanov,S (2536) Sweden 2011 0-1 (46)}) 9. a4 $146 {-0.74/24} (9. Bxc6 $11 {0.02/27} bxc6 (9... Qxc6 10. Ne5 Qc7 11. d3 b5 12. Rf3 Nd7 13. Rg3 g6 14. Nxd7 Bxd7 15. Qh5 f6 16. Rxg6+ hxg6 17. Qxg6+ {1/2-1/2 (17) Falahat,S-Daumen,M Speyer 1997}) 10. Nc3 (10. Qe1 Ba6 11. d3 c4 12. Ne5 cxd3 13. cxd3 c5 14. Qg3 Rad8 15. Nd2 Bb7 16. Rac1 a5 17. Rb1 Qb4 18. Ndf3 d4 19. exd4 cxd4 20. Rfc1 Bxf3 21. Nxf3 Qb6 22. Rc4 Bc5 23. Rbc1 Rd5 24. h3 Nh5 {Hoang,K (1571)-Chernih,N (1552) Canberra 2004 0-1 (42)}) 10... Ba6 11. Na4 Qa5 12. d3 Rfd8 13. Ne5 Rac8 14. Qe1 Qb4 15. c3 Qb7 16. c4 Qb4 17. Bc3 {1/2-1/2 (17) Kirjak,R (2034)-Toth,J (2206) Hungary 2006}) 9... a6 {0.15/26} (9... Ne4 $17 {-0.74/24}) 10. Bxc6 $11 {The position is equal.} Qxc6 {0.17/26} (10... bxc6 $15 {-0.35/25} 11. a5 Qd8) 11. Qe1 { -0.83/26} (11. Ne5 $11 {0.17/26 remains equal.} Qe8 12. d3) 11... b6 {-0.16/27} (11... b5 $17 {-0.83/26}) 12. d3 Bb7 13. Nbd2 {-0.67/22} (13. Qg3 $11 {-0.24/27 }) 13... b5 {-0.04/25} (13... Rad8 $15 {-0.67/22}) 14. Ne5 {-0.67/22} (14. Qg3 $11 {-0.04/25}) 14... Qc7 15. Kh1 {-0.88/24} (15. c4 $15 {-0.37/25}) 15... Rfd8 {-0.01/25} (15... Ne8 $17 {-0.88/24}) 16. g4 {-0.96/24} (16. Ndf3 $11 {-0.01/25 }) 16... d4+ {-0.10/24} (16... Ne8 $17 {-0.96/24}) 17. e4 Nd7 18. Nxd7 Rxd7 ( 18... Qxd7 {feels hotter.} 19. g5 Rf8 20. Nf3 Bd6 21. axb5 axb5 22. Rxa8 Rxa8 23. b4 c4) 19. f5 exf5 {0.23/26} ({Better is} 19... Rdd8 $15 {-0.34/22}) 20. gxf5 Bf6 {0.62/24} (20... Rc8 $11 {0.09/28}) 21. axb5 {0.11/26} ({White should try} 21. Rg1 $14 {0.62/24}) 21... axb5 22. Rxa8+ Bxa8 23. Qa1 {-0.32/22} (23. Nf3 $11 {0.26/26}) 23... Qb7 24. Nf3 Bd8 $2 {1.74/24 [#]} (24... Qb8 $11 { 0.00/29 and Black is okay.}) 25. Rg1 {0.37/30} (25. b4 $1 $18 {1.74/24}) 25... Bc7 $2 {3.54/22 [#]} (25... b4 $14 {0.37/30}) 26. Ba3 $2 {0.00/27} ({Only move: } 26. b4 $1 $18 {3.54/22}) 26... c4 $2 {#6/26 [#]} (26... b4 $11 {0.00/27} 27. Bc1 f6) 27. bxc4 $2 {3.66/28} (27. Rxg7+ $3 {#6/26} Kh8 (27... Kxg7 28. Qg1+) 28. Rg8+ $3 Kxg8 29. Qg1+ Bg3 30. Qxg3+ Kh8 31. f6 cxd3 32. Qg7#) 27... bxc4 $2 {32.36/28 [#]} (27... g6 {3.66/28} 28. Qc1 (28. Nxd4 Be5 $11) 28... Qb8 29. cxb5 Bf4) 28. Qc1 $2 {0.00/31} ({White has to play} 28. Rxg7+ $3 $18 {32.36/28} Kxg7 29. Qg1+ Kh8 30. f6 Qb1 31. Bc1 Qxc1 32. Qxc1 Bf4 33. Qxf4) 28... cxd3 $2 {#7/28 [#]} (28... f6 $11 {0.00/31}) 29. cxd3 $2 {1.65/28} (29. Rxg7+ $3 {#7/28 } Kxg7 30. f6+ $1 Kh8 31. Qg5 Qb1+ 32. Kg2 Qg1+ 33. Kxg1 Bxh2+ 34. Nxh2 dxc2 35. Qg7#) 29... Bb8 $2 {#7/46} (29... Bd8 $18 {1.65/28}) 30. Qc5 $2 {2.73/32} ( 30. f6 {#7/46 mates} Rd6 31. Qh6 Kf8 32. fxg7+ Ke7 33. g8=Q Qb5 34. Qhf8+ Kd7 35. Qc8+ Ke7 36. Qgd8#) 30... Rd8 $18 {[#]} 31. Nxd4 $2 {-0.52/28} (31. Qa5 $1 $18 {2.41/25} Qc7 32. Qxa8) 31... Ba7 {0.00/35} ({Black should play} 31... Bd6 $1 $15 {-0.52/28} 32. Qc3 (32. Qa5 Bc7 $15) 32... Be5) 32. Qe5 $2 {-10.37/25} ( 32. Rxg7+ $11 {0.00/35} Kh8 33. Qa5) 32... Bxd4 $19 33. Rxg7+ Kh8 34. Qg3 Bxg7 {Accuracy: White = 9%, Black = 14%.} 0-1