Event: Amsterdam Science Park 2024
Site: Science Park, Amsterdam, Netherlands
White: Harmsen, Michiel
WhiteElo: 2019
Black: Klaren, Duncan
BlackElo: 2220
Result: 0-1
ECO: E74
Opening: King's Indian Defense: Averbakh Variation, Benoni Defense, Advance Variation
Variant: Standard

1. d4 { [%eval 0.16] [%clk 1:30:55] } 1... Nf6 { [%eval 0.17] [%clk 1:30:48] } 2. c4 { [%eval 0.21] [%clk 1:31:08] } 2... g6 { [%eval 0.25] [%clk 1:30:56] } 3. Nc3 { [%eval 0.21] [%clk 1:31:30] } 3... Bg7 { [%eval 0.51] [%clk 1:31:19] } 4. e4 { [%eval 0.56] [%clk 1:31:52] } 4... d6 { [%eval 0.46] [%clk 1:31:43] } 5. Be2 { [%eval 0.4] [%clk 1:32:12] } 5... O-O { [%eval 0.45] [%clk 1:31:52] } 6. Bg5 { [%eval 0.18] [%clk 1:32:34] } 6... c5 { [%eval 0.33] [%clk 1:30:18] } 7. d5 { [%eval 0.15] [%clk 1:32:54] } 7... h6 { [%eval 0.27] [%clk 1:28:46] } 8. Bf4 { [%eval 0.28] [%clk 1:24:54] } 8... g5?! { [%eval 1.28] } { Inaccuracy. e6 was best. } { [%clk 1:17:51] } 9. Be3 { [%eval 1.11] [%clk 1:23:10] } 9... e6 { [%eval 1.54] [%clk 1:13:37] } 10. h4 { [%eval 1.73] [%clk 1:17:09] } 10... g4 { [%eval 1.65] [%clk 1:08:29] } 11. Bxg4?! { [%eval 0.96] } { Inaccuracy. Qd2 was best. } { [%clk 1:12:10] } 11... exd5?! { [%eval 1.93] } { Inaccuracy. Re8 was best. } { [%clk 1:07:36] } 12. Bxc8 { [%eval 2.14] [%clk 1:09:38] } 12... Qxc8 { [%eval 1.98] [%clk 1:07:55] } 13. cxd5 { [%eval 1.98] [%clk 1:06:00] } 13... Ng4 { [%eval 1.97] [%clk 1:04:59] } 14. Qd2 { [%eval 1.51] [%clk 0:59:25] } 14... Nd7 { [%eval 1.83] [%clk 0:57:53] } 15. Nge2 { [%eval 1.72] [%clk 0:50:17] } 15... Nde5 { [%eval 1.73] [%clk 0:56:50] } 16. Bf4 { [%eval 1.82] [%clk 0:47:46] } 16... c4 { [%eval 2.24] [%clk 0:52:21] } 17. O-O { [%eval 2.1] [%clk 0:45:30] } 17... Qd8?! { [%eval 2.85] } { Inaccuracy. f5 was best. } { [%clk 0:45:51] } 18. f3 { [%eval 2.61] [%clk 0:40:40] } 18... Qb6+ { [%eval 2.71] [%clk 0:44:40] } 19. Kh1 { [%eval 2.71] [%clk 0:40:22] } 19... Nf2+ { [%eval 2.7] [%clk 0:41:39] } 20. Kh2 { [%eval 2.53] [%clk 0:40:34] } 20... Nfd3 { [%eval 2.97] [%clk 0:41:48] } 21. Bxh6 { [%eval 2.87] [%clk 0:38:41] } 21... Qd8 { [%eval 3.13] [%clk 0:39:05] } 22. Qg5 { [%eval 2.44] [%clk 0:35:10] } 22... Qxg5 { [%eval 2.31] [%clk 0:38:52] } 23. Bxg5 { [%eval 2.25] [%clk 0:35:29] } 23... Nxb2 { [%eval 2.89] [%clk 0:37:35] } 24. Rab1 { [%eval 2.64] [%clk 0:33:31] } 24... f6 { [%eval 2.91] [%clk 0:25:46] } 25. Bf4 { [%eval 2.86] [%clk 0:30:04] } 25... Nbd3 { [%eval 2.79] [%clk 0:25:14] } 26. Rxb7 { [%eval 2.7] [%clk 0:29:55] } 26... f5 { [%eval 2.76] [%clk 0:24:14] } 27. Bxe5?! { [%eval 1.78] } { Inaccuracy. Bg5 was best. } { [%clk 0:28:28] } 27... Bxe5+ { [%eval 1.94] [%clk 0:24:05] } 28. f4 { [%eval 1.86] [%clk 0:28:04] } 28... fxe4 { [%eval 1.85] [%clk 0:15:48] } 29. Nxe4 { [%eval 1.9] [%clk 0:23:52] } 29... Nxf4 { [%eval 1.8] [%clk 0:14:39] } 30. Nxf4 { [%eval 1.42] [%clk 0:23:49] } 30... Rae8 { [%eval 1.64] [%clk 0:11:21] } 31. Nxd6?? { [%eval -3.57] } { Blunder. g3 was best. } { [%clk 0:19:07] } 31... Rxf4 { [%eval -3.45] [%clk 0:05:08] } 32. Nxe8 { [%eval -4.03] [%clk 0:17:45] } 32... Rxf1+ { [%eval -4.26] [%clk 0:05:33] } 33. Kh3 { [%eval -4.28] [%clk 0:12:34] } 33... c3 { [%eval -4.16] [%clk 0:05:34] } 34. d6 { [%eval -4.2] [%clk 0:12:57] } 34... c2 { [%eval -4.1] [%clk 0:04:54] } 35. d7?? { [%eval #-11] } { Checkmate is now unavoidable. Rc7 was best. } { [%clk 0:12:07] } 35... Rd1?? { [%eval -3.09] } { Lost forced checkmate sequence. c1=Q was best. } { [%clk 0:03:54] } 36. Nd6 { [%eval -3.09] [%clk 0:12:16] } 36... Rxd6 { [%eval -3.2] [%clk 0:03:57] } 37. Rb8+ { [%eval -3.16] [%clk 0:12:12] } 37... Kf7 { [%eval -3.11] [%clk 0:02:52] } 38. Rc8 { [%eval -3.1] [%clk 0:12:21] } 38... Rd3+?! { [%eval -2.33] } { Inaccuracy. Rxd7 was best. } { [%clk 0:02:14] } 39. Kg4 { [%eval -2.5] [%clk 0:12:29] } 39... Rxd7 { [%eval -2.31] [%clk 0:01:47] } 40. Rxc2 { [%eval -2.34] [%clk 0:12:39] } 40... Bf6?? { [%eval -0.36] } { Blunder. Ke6 was best. } { [%clk 0:01:28] } 41. g3? { [%eval -1.65] } { Mistake. h5 was best. } { [%clk 0:11:13] } 41... Rd4+?! { [%eval -0.8] } { Inaccuracy. Be5 was best. } { [%clk 0:00:52] } 42. Kh5?! { [%eval -1.78] } { Inaccuracy. Kf5 was best. } { [%clk 0:11:03] } 42... Rd5+ { [%eval -1.49] [%clk 0:01:16] } 43. Kg4 { [%eval -1.45] [%clk 0:11:18] } 43... Kg6? { [%eval 0.0] } { Mistake. Be5 was best. } { [%clk 0:14:22] } 44. Rc6 { [%eval -0.04] [%clk 0:22:41] } 44... Rd4+ { [%eval 0.0] [%clk 0:13:48] } 45. Kf3 { [%eval 0.0] [%clk 0:22:57] } 45... Ra4 { [%eval 0.0] [%clk 0:14:11] } 46. h5+ { [%eval 0.0] [%clk 0:22:19] } 46... Kf5 { [%eval 0.0] [%clk 0:10:17] } 47. h6?? { [%eval -3.16] } { Blunder. g4+ was best. } { [%clk 0:13:04] } 47... Ra3+ { [%eval -3.13] [%clk 0:09:40] } 48. Kg2 { [%eval -3.15] [%clk 0:13:07] } 48... Rxa2+ { [%eval -3.11] [%clk 0:09:42] } 49. Kh3 { [%eval -3.19] [%clk 0:13:10] } 49... Ra1 { [%eval -3.16] [%clk 0:09:09] } 50. Kh2 { [%eval -3.19] [%clk 0:13:33] } 50... Re1 { [%eval -3.19] [%clk 0:09:22] } 51. h7 { [%eval -3.17] [%clk 0:12:01] } 51... Re8 { [%eval -3.17] [%clk 0:09:32] } 52. Ra6 { [%eval -3.16] [%clk 0:10:05] } 52... Bd4 { [%eval -3.16] [%clk 0:07:51] } 53. Kh3 { [%eval -3.64] [%clk 0:09:40] } 53... Bb6 { [%eval -3.45] [%clk 0:06:19] } 0-1