Event: Round 5: Demidov, Mikhail - Tarigan, Gilbert Elroy
Date: 2025-05-11
White: Demidov, Mikhail
WhiteTitle: GM
WhiteElo: 2549
Black: Tarigan, Gilbert Elroy
BlackTitle: IM
BlackElo: 2415
Result: 1-0
ECO: D05
Opening: Queen's Pawn Game: Colle System
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... Nf6 { [%eval 0.19] [%clk 1:28:58] } 2. Nf3 { [%eval 0.11] [%clk 1:30:57] } 2... e6 { [%eval 0.14] [%clk 1:28:40] } 3. e3 { [%eval 0.0] [%clk 1:30:21] } 3... d5 { [%eval 0.1] [%clk 1:25:46] } 4. c4 { [%eval 0.0] [%clk 1:30:45] } 4... b6 { [%eval 0.07] [%clk 1:22:46] } 5. Nc3 { [%eval 0.0] [%clk 1:28:18] } 5... Bb7 { [%eval 0.0] [%clk 1:21:45] } 6. cxd5 { [%eval 0.0] [%clk 1:28:05] } 6... exd5 { [%eval 0.0] [%clk 1:19:00] } 7. Qa4+ { [%eval 0.09] [%clk 1:27:06] } 7... Nbd7 { [%eval 0.14] [%clk 1:17:05] } 8. Ba6 { [%eval 0.09] [%clk 1:27:06] } 8... Qc8 { [%eval 0.25] [%clk 1:09:38] } 9. Bxb7 { [%eval 0.25] [%clk 1:25:35] } 9... Qxb7 { [%eval 0.2] [%clk 1:10:04] } 10. Ne5 { [%eval 0.22] [%clk 1:23:20] } 10... a6 { [%eval 0.4] [%clk 1:02:54] } 11. O-O { [%eval 0.31] [%clk 1:17:58] } 11... Bd6 { [%eval 0.5] [%clk 1:00:27] } 12. Nxd7 { [%eval 0.54] [%clk 1:15:42] } 12... Nxd7 { [%eval 0.54] [%clk 0:59:17] } 13. Bd2 { [%eval 0.11] [%clk 1:15:16] } 13... Rd8 { [%eval 0.22] [%clk 0:45:48] } 14. e4 { [%eval 0.22] [%clk 1:02:17] } 14... dxe4 { [%eval 0.23] [%clk 0:45:43] } 15. Nxe4 { [%eval 0.27] [%clk 1:02:33] } 15... O-O { [%eval 0.26] [%clk 0:45:16] } 16. Rfe1 { [%eval 0.15] [%clk 1:02:52] } 16... Rfe8 { [%eval 0.22] [%clk 0:37:28] } 17. Bg5 { [%eval 0.24] [%clk 0:58:01] } 17... b5 { [%eval 0.32] [%clk 0:30:20] } 18. Nxd6 { [%eval 0.31] [%clk 0:46:14] } 18... cxd6 { [%eval 0.34] [%clk 0:29:38] } 19. Qb4 { [%eval 0.37] [%clk 0:45:51] } 19... f6 { [%eval 0.58] [%clk 0:26:36] } 20. Bf4 { [%eval 0.59] [%clk 0:45:02] } 20... Qd5?! { [%eval 1.15] } { Inaccuracy. Nb6 was best. } { [%clk 0:23:46] } 21. Qxd6 { [%eval 1.05] [%clk 0:36:58] } 21... Qxd6 { [%eval 0.94] [%clk 0:17:58] } 22. Bxd6 { [%eval 0.97] [%clk 0:36:57] } 22... Kf7 { [%eval 1.01] [%clk 0:15:49] } 23. Kf1 { [%eval 0.98] [%clk 0:28:37] } 23... Re6 { [%eval 0.92] [%clk 0:14:13] } 24. Bb4 { [%eval 0.91] [%clk 0:25:25] } 24... Nb8 { [%eval 1.02] [%clk 0:12:05] } 25. Red1 { [%eval 0.93] [%clk 0:21:12] } 25... Rd5 { [%eval 1.03] [%clk 0:12:08] } 26. f3?! { [%eval 0.0] } { Inaccuracy. Rd3 was best. } { [%clk 0:18:42] } 26... Nc6 { [%eval 0.09] [%clk 0:09:32] } 27. Bc5 { [%eval 0.0] [%clk 0:18:39] } 27... Re8 { [%eval 0.54] [%clk 0:09:49] } 28. Rd2 { [%eval 0.3] [%clk 0:13:37] } 28... Red8 { [%eval 0.33] [%clk 0:06:32] } 29. b4 { [%eval 0.31] [%clk 0:10:15] } 29... Ke6?! { [%eval 0.96] } { Inaccuracy. a5 was best. } { [%clk 0:03:28] } 30. a4 { [%eval 0.92] [%clk 0:08:22] } 30... Kf5 { [%eval 0.96] [%clk 0:03:13] } 31. Kf2 { [%eval 1.1] [%clk 0:06:34] } 31... bxa4?! { [%eval 1.96] } { Inaccuracy. h5 was best. } { [%clk 0:02:54] } 32. Rxa4 { [%eval 2.04] [%clk 0:05:51] } 32... Nb8 { [%eval 2.31] [%clk 0:01:32] } 33. Re2 { [%eval 1.95] [%clk 0:05:49] } 33... h5?! { [%eval 2.8] } { Inaccuracy. Nc6 was best. } { [%clk 0:01:37] } 34. Re4 { [%eval 2.94] [%clk 0:05:20] } 34... g5 { [%eval 3.0] [%clk 0:01:43] } 35. Ke3 { [%eval 2.88] [%clk 0:05:25] } 35... g4?! { [%eval 3.75] } { Inaccuracy. Rc8 was best. } { [%clk 0:01:06] } 36. h3 { [%eval 3.12] [%clk 0:04:15] } 36... gxh3 { [%eval 2.9] [%clk 0:01:27] } 37. gxh3 { [%eval 3.17] [%clk 0:04:40] } 37... R8d7 { [%eval 3.13] [%clk 0:00:46] } 38. Kd3 { [%eval 2.86] [%clk 0:02:12] } 38... Rd8 { [%eval 3.15] [%clk 0:00:35] } 39. Kc4 { [%eval 3.07] [%clk 0:02:19] } 39... R5d7 { [%eval 3.05] [%clk 0:00:45] } 40. Ra5 { [%eval 2.66] [%clk 0:01:59] } 40... Rc8 { [%eval 2.71] [%clk 0:00:34] } 41. d5 { [%eval 2.98] [%clk 0:01:28] } 41... Rg8?! { [%eval 3.84] } { Inaccuracy. Rdd8 was best. } { [%clk 0:00:36] } 42. Re6?! { [%eval 2.85] } { Inaccuracy. d6 was best. } { [%clk 0:23:47] } 42... Rc8 { [%eval 2.72] [%clk 0:29:45] } 43. h4 { [%eval 2.15] [%clk 0:22:02] } 43... Rg7 { [%eval 2.15] [%clk 0:27:40] } 44. Kd3 { [%eval 1.77] [%clk 0:18:46] } 44... Rd7? { [%eval 3.72] } { Mistake. Rg3 was best. } { [%clk 0:25:50] } 45. Bd4 { [%eval 3.62] [%clk 0:17:41] } 45... Rf7 { [%eval 3.84] [%clk 0:24:27] } 46. Rb6 { [%eval 3.41] [%clk 0:16:41] } 46... Rcf8 { [%eval 3.6] [%clk 0:21:57] } 47. Re6 { [%eval 3.57] [%clk 0:15:01] } 47... Kf4 { [%eval 3.74] [%clk 0:22:07] } 48. Ke2 { [%eval 3.19] [%clk 0:14:48] } 1-0