[Event "CZE-chT 0506"] [Site "Czechia"] [Date "2006.03.26"] [Round "11"] [White "Biolek, Richard"] [Black "Velicka, Petr"] [Result "0-1"] [WhiteElo "2454"] [BlackElo "2464"] [Variant "Standard"] [TimeControl "-"] [ECO "A03"] [Opening "Bird Opening: Dutch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 d5 { A03 Bird Opening: Dutch Variation } 2. b3 Nf6 3. e3 Bg4 4. Nf3 e6 5. Bb2 Bd6?! { (-0.03 → 0.72) Inaccuracy. Be7 was best. } (5... Be7 6. Be2 Bf5 7. O-O O-O 8. c4 Nbd7 9. Ne5 h6 10. Nc3) 6. d3? { (0.72 → -0.81) Mistake. h3 was best. } (6. h3 Bxf3 7. Qxf3 O-O 8. Nc3 c5 9. O-O-O Nc6 10. g4 d4) 6... Nbd7 7. Nbd2? { (-0.31 → -1.61) Mistake. Be2 was best. } (7. Be2 Qe7) 7... e5 8. fxe5 Bxe5 9. Bxe5 Nxe5 10. d4 Ned7?! { (-1.52 → -0.94) Inaccuracy. Nxf3+ was best. } (10... Nxf3+ 11. gxf3) 11. h3 Bh5 12. g4 Bg6 13. Nh4 Qe7 14. Nxg6 Qxe3+ 15. Qe2 Qxe2+ 16. Bxe2 hxg6 17. Bf3?! { (-1.34 → -2.13) Inaccuracy. Kf2 was best. } (17. Kf2 O-O-O) 17... c6?! { (-2.13 → -1.27) Inaccuracy. g5 was best. } (17... g5 18. Kf2 Nf8 19. h4 Rxh4 20. Rxh4 gxh4 21. g5 N6h7 22. Re1+ Kd7 23. Bxd5 Nxg5 24. Bxb7) 18. Kf2?! { (-1.27 → -1.86) Inaccuracy. g5 was best. } (18. g5 Nh5 19. Kf2 O-O-O 20. Rae1 Nf4 21. Bg4 Rde8 22. Kg3 Nh5+ 23. Kf2 Kc7 24. Nf3 f5) 18... O-O 19. Rhe1?! { (-1.36 → -2.05) Inaccuracy. g5 was best. } (19. g5) 19... Rfe8?! { (-2.05 → -0.90) Inaccuracy. g5 was best. } (19... g5) 20. c4?! { (-0.90 → -1.97) Inaccuracy. h4 was best. } (20. h4 Nf8 21. c4 dxc4 22. bxc4 Ne6 23. g5 Nh5 24. Rab1 Nhf4 25. Kg3 Rad8 26. Nb3 Nd3) 20... g5 21. cxd5 Nxd5? { (-2.01 → -0.58) Mistake. cxd5 was best. } (21... cxd5 22. h4 gxh4 23. g5 Nh7 24. Bxd5 Nxg5 25. Bxb7 Rxe1 26. Rxe1 Rb8 27. Bc6 Rd8 28. Rh1) 22. Bxd5 cxd5 23. Rxe8+ Rxe8 24. Rc1 Nf8 25. Rc7 Rb8?! { (-1.02 → -0.37) Inaccuracy. Ne6 was best. } (25... Ne6 26. Rxb7) 26. Nf3 f6 27. h4 gxh4 28. Nxh4 Ne6 29. Rd7 Nxd4 30. Rxd5 Nc6 31. Nf5 Rd8 32. Rxd8+ Nxd8 33. Nd6 g6 34. b4 Kf8 35. b5?? { (-0.51 → -3.93) Blunder. Ke3 was best. } (35. Ke3 a6) 35... Ke7 36. Nc8+? { (-3.50 → -5.61) Mistake. b6 was best. } (36. b6 a6) 36... Kd7 37. Nxa7 b6 38. a4 Kc7 39. a5 bxa5 40. Ke3 a4 41. Kd2 Kb7 42. b6 Nc6 43. Nb5 Ne5 44. Nc3 a3 45. Kc2 Nc4?! { (-5.95 → -4.56) Inaccuracy. Nxg4 was best. } (45... Nxg4) 46. Nd5? { (-4.56 → -8.64) Mistake. Kb3 was best. } (46. Kb3 Nxb6 47. Kxa3 Kc6 48. Kb3 Kd6 49. Nd1 Kd5 50. Kb4 Nd7 51. Nc3+ Kd4 52. Nb5+ Ke3) 46... f5 47. Kc3 f4 48. Ne7 f3 49. Nf5?! { (-14.46 → Mate in 9) Checkmate is now unavoidable. Kb3 was best. } (49. Kb3 f2 50. g5 f1=Q 51. Kb4 Qe2 52. Nxg6 a2 53. Nf4 Qb2+ 54. Kxc4 a1=Q 55. g6 Qac1+) 49... f2?! { (Mate in 9 → -17.15) Lost forced checkmate sequence. gxf5 was best. } { White resigns. } (49... gxf5 50. Kd3 fxg4 51. Kxc4 a2 52. Kd3 a1=Q 53. Ke3 Qc3+ 54. Ke4 f2 55. Kd5 f1=Q 56. Ke6) 0-1