[Event "Helsinki-ch"] [Site "Helsinki"] [Date "2000.??.??"] [Round "1"] [White "Vaisanen, Kauko"] [Black "Jarvinen, Seppo"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B07"] [Opening "Czech Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 c6 { B07 Czech Defense } 4. f4 e6 5. Nf3 Be7 6. e5 Nd5 7. Ne4 dxe5 8. fxe5 h6 9. a3 b5 10. c4?! { (1.08 → 0.35) Inaccuracy. Bd3 was best. } (10. Bd3 Nd7) 10... bxc4 11. Bxc4 Ba6 12. Bxa6?! { (0.56 → 0.00) Inaccuracy. b3 was best. } (12. b3 Qb6 13. Nd6+ Bxd6 14. exd6 Nd7 15. Qd3 Bb7 16. O-O O-O 17. g4 N7f6 18. Ne5 Rad8) 12... Nxa6?! { (0.00 → 0.57) Inaccuracy. Qa5+ was best. } (12... Qa5+ 13. Bd2 Qxa6 14. Rc1 Nd7 15. Qe2 Qb5 16. b4 O-O 17. Nd6 Qb6 18. Nc4 Qb5 19. Nd6) 13. O-O O-O 14. b4 Rc8 15. Bd2 f5?! { (0.50 → 1.06) Inaccuracy. Qb6 was best. } (15... Qb6 16. Nd6) 16. exf6 Nxf6 17. Nf2 Nc7 18. Re1 Bd6 19. Rc1 Qe8 20. Qe2 Qd7 21. Ne4 Nfd5 22. Nxd6 Qxd6 23. Qe5 Rcd8 24. Qxd6 Rxd6 25. Ne5 Ne7? { (0.12 → 1.35) Mistake. Nb5 was best. } (25... Nb5 26. Rxc6 Rfd8 27. Rc5 Nxd4 28. Bc1 Nb3 29. Rc2 Nxc1 30. Rcxc1 Nf4 31. g3 Nd3 32. Nxd3) 26. Bc3? { (1.35 → 0.12) Mistake. b5 was best. } (26. b5 Ned5 27. bxc6 Nb5 28. Nf3 a6 29. a4 Na7 30. c7 Rc8 31. Ne5 Rxc7 32. Rxc7 Nxc7) 26... Nb5 27. Nc4 Rd5 28. Rxe6 Nf5 29. Bb2 Nbxd4 30. Ree1 c5 31. Bxd4 cxd4 32. Rcd1 Rc8 33. Re5 Rxe5 34. Nxe5 Rc2 35. g4 Ne3 36. Rxd4 Rg2+ 37. Kh1 Ra2 38. h4 Rxa3 39. Rd8+ Kh7 40. h5 Nxg4 41. Nxg4 Rh3+ 42. Kg2 Rxh5 43. Rb8 Rg5 44. Kh3 Rf5?! { (0.15 → 0.81) Inaccuracy. a5 was best. } (44... a5 45. b5 a4 46. Ne3 a3 47. b6 Ra5 48. b7 Rb5 49. Nf5 a2 50. Ra8 Rxb7 51. Rxa2) 45. Rb7?! { (0.81 → 0.08) Inaccuracy. Kg3 was best. } (45. Kg3 h5 46. Ne3 Rf7 47. Rb5 Kh6 48. Nf5+ Kg6 49. Nd6 Re7 50. Kf4 Re6 51. Rg5+ Kf6) 45... a5 46. b5 a4 47. b6 a3 48. Ra7 Rb5?? { (0.12 → 5.36) Blunder. h5 was best. } (48... h5 49. Nh2 Rb5 50. b7 a2 51. Rxa2 Rxb7 52. Nf3 g6 53. Ra6 Rb5 54. Kg3 Rb3 55. Kf4) 49. Nf6+ Kg6 50. Nd7 Rb3+ 51. Kg4?? { (3.23 → 0.48) Blunder. Kg2 was best. } (51. Kg2) 51... h5+ 52. Kf4 h4 53. b7 h3 54. Ne5+ Kh5?? { (0.48 → Mate in 15) Checkmate is now unavoidable. Kh7 was best. } (54... Kh7 55. Rxa3 Rxb7 56. Rxh3+ Kg8 57. Ra3 Kf8 58. Kf5 Rb5 59. Ra8+ Ke7 60. Ra7+ Kf8 61. Ke6) 55. Ra8 Rb4+ 56. Kf5 g6+ 57. Nxg6 Kh6 58. b8=Q Rxb8 59. Rxb8 a2 60. Ra8 h2 61. Kf6 Kh5 62. Kf5 Kh6 63. Nf4?? { (Mate in 19 → 0.00) Lost forced checkmate sequence. Kf6 was best. } (63. Kf6 Kh5 64. Ne5 Kh4 65. Nf3+ Kg3 66. Nxh2 Kf4 67. Ra4+ Ke3 68. Ke5 Kd3 69. Rxa2 Kc4) 63... Kh7 64. Ng6 Kg7?? { (0.00 → Mate in 7) Checkmate is now unavoidable. Kh6 was best. } (64... Kh6) 65. Ra7+ Kh6 66. Nf8 a1=Q 67. Rh7# { White wins by checkmate. } 1-0