A03 Bird's Opening with 1...d5 (1.f4 d5 2.Nf3 Nf6 3.d4 e6 4.e3 c5 5.Bb5+ Bd7 6.Bxd7+ Nbxd7)

[Event ""] [Site "?"] [Date "2011.07.06"] [Round "4"] [White "TK"] [Black "Vierjoki, Timo"] [Result "0-1"] [ECO "A03"] [WhiteElo "1475"] [BlackElo "1852"] [Annotator "Tactical Analysis 2.10 (30s), TV"] [PlyCount "106"] [EventDate "2011.??.??"] 1. f4 d5 {A03 Bird Opening: Dutch Variation} 2. Nf3 Nf6 3. d4 e6 4. e3 c5 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 {-0.38/24 A03 Bird's Opening with 1...d5} (6... Qxd7 $17 {-0.92/22} 7. O-O Bd6) 7. O-O $15 Qb6 {-0.48/27} (7... Rc8 $17 {-0.95/24}) 8. Nc3 {-0.91/24} (8. b3 $15 {-0.48/27 deserves consideration.}) 8... Bd6 9. Ne5 {Black is better.} cxd4 (9... Rc8 {is more complex.} 10. a4 a6 11. a5 Qc7 12. Bd2 O-O) 10. exd4 {-1.25/26} ({White should play} 10. Nxd7 $15 {-0.55/26} Kxd7 11. exd4) 10... Nxe5 $17 11. fxe5 {-1.84/26} (11. Na4 $17 {-1.08/27} Nf3+ 12. Rxf3) 11... Bxe5 $19 12. Ne2 {-1.97/24} (12. Be3 $17 {-1.54/29} Bd6 13. Rb1 ) 12... Bd6 13. c3 {-2.14/23} (13. Rb1 $142 {-1.62/27}) 13... Be7 14. Nf4 O-O 15. Nh5 {-2.21/22} (15. a4 $17 {-1.41/28}) 15... Nxh5 16. Qxh5 g6 {-0.79/30} ( 16... a5 $19 {-1.61/24} 17. Rf2 Bd6) 17. Qf3 {Black should prevent Bh6.} f6 18. Rf2 Kg7 {-0.59/30} (18... Rf7 $17 {-1.12/24} 19. Be3 Qc6) 19. Qh3 {-1.13/24} ( 19. Re2 $15 {-0.59/30}) 19... Rh8 {0.21/28} (19... h5 $17 {-1.13/24}) 20. Bh6+ $11 Kf7 $1 21. Be3 {-0.75/26 [#]} (21. g4 $11 {0.21/28 keeps the balance.}) 21... Rag8 {0.00/31} (21... h6 $1 $17 {-0.75/26}) 22. Re1 {-0.58/26} (22. Bg5 $11 {0.00/31}) 22... Bd8 {0.34/30} ({Black should try} 22... h5 $15 {-0.58/26}) 23. Rfe2 {-0.72/22} (23. Bg5 $14 {0.34/30 stays ahead.}) 23... Re8 {0.00/30} ( 23... h5 $1 $17 {-0.72/22}) 24. Bc1 {-1.15/21} (24. Bh6 $11 {0.00/30}) 24... Qc6 {0.00/31} (24... h5 $17 {-1.15/21}) 25. b3 {-1.30/21} (25. Qh6 $11 {0.00/31 }) 25... Bb6 {-0.43/29} (25... h6 $17 {-1.30/21}) 26. Kh1 {-1.18/23} ({Better is} 26. Rf2 $15 {-0.43/29}) 26... Bc7 $17 27. Rf1 {-1.39/24 [#]} (27. Rf2 $142 {-0.81/25}) 27... e5 {0.00/29} (27... h6 $1 $17 {-1.39/24} 28. Ref2 (28. Bxh6 e5) 28... f5) 28. Bg5 f5 {0.73/28} (28... Re6 $11 {0.00/30}) 29. Rfe1 $2 { -2.14/24 [#]} (29. Ref2 $1 $16 {0.73/28 aiming for Rxf5+!} Kg8 30. Bh6) 29... e4 $2 {-0.47/26} (29... h6 $1 $19 {-2.14/24} 30. Be3 (30. Bxh6 e4) 30... e4) 30. Bd2 $2 {-2.46/22} (30. Bh6 $15 {-0.47/26}) 30... Bd6 $2 {0.00/28} (30... h5 $19 {-2.46/22} 31. Bg5 h4 $1) 31. b4 $2 {-3.14/24} (31. Rf2 $11 {0.00/28 and White has nothing to worry.}) 31... Qc7 32. a4 {-3.41/25} (32. Rf1 $142 { -1.98/28}) 32... Bf4 33. Be3 Bxe3 34. Rxe3 {-3.93/25} (34. Qxe3 $142 {-2.67/27} Kg7 35. Rf1) 34... Kg7 $19 35. g3 Rc8 36. Rc1 Qd7 37. b5 Rc4 38. Qh4 Rxa4 39. Qf4 Re8 40. h4 Re7 41. Qg5 Qc7 42. h5 {[#]} Re6 {-1.68/30} (42... Rxd4 $142 $1 {-4.03/27 Strongly threatening ...Rd3.} 43. Rf1 (43. cxd4 Qxc1+) 43... Rd2 44. Rxf5 Qd6 45. h6+ Kg8) 43. h6+ $2 {-4.28/22} (43. hxg6 {-1.68/30} hxg6 44. Re2) 43... Kf7 44. Rf1 {intending Rxf5+!} Rf6 45. Rb1 Ra2 46. Rc1 Qd6 47. c4 dxc4 48. Rxc4 f4 49. Rec3 fxg3 {-7.89/30} (49... Rf5 $142 {-17.62/25} 50. Rc7+ Ke6) 50. Rc7+ Ke6 51. Qg4+ Rf5 {( -> ...Rh2+)} ({Avoid the trap} 51... Kd5 $2 52. R7c5+ Qxc5 53. Rxc5+ Kxd4 54. Rc1 $18) 52. Qxe4+ Kf6 53. R3c6 $146 (53. R3c5 Rf1# {0-1 (53) Kinnunen,T-Vierjoki,T (1749) Naantali 2011}) 53... Rf1# { Accuracy: White = 16%, Black = 28%.} 0-1