Event: Biel Chess Festival MTO
Site: Biel, Switzerland
Date: 2024-07-23
White: Koustav Chatterjee
WhiteTitle: GM
WhiteElo: 2525
Black: Madaminov, Mukhiddin
BlackTitle: IM
BlackElo: 2512
Result: 0-1
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard
TimeControl: 100'/40, fb 50'/20, fb 15' + 30''/mv

1. c4 { [%eval 0.12] [%clk 1:40:56] } 1... e6 { [%eval 0.25] [%clk 1:39:36] } 2. Nc3 { [%eval 0.21] [%clk 1:41:19] } 2... d5 { [%eval 0.23] [%clk 1:39:08] } 3. d4 { [%eval 0.21] [%clk 1:41:44] } 3... Nf6 { [%eval 0.24] [%clk 1:39:27] } 4. cxd5 { [%eval 0.35] [%clk 1:42:10] } 4... exd5 { [%eval 0.36] [%clk 1:39:23] } 5. Bg5 { [%eval 0.32] [%clk 1:42:34] } 5... Be7 { [%eval 0.23] [%clk 1:38:34] } 6. e3 { [%eval 0.25] [%clk 1:42:59] } 6... O-O { [%eval 0.21] [%clk 1:38:53] } 7. Bd3 { [%eval 0.19] [%clk 1:43:21] } 7... Re8 { [%eval 0.24] [%clk 1:39:13] } 8. Nge2 { [%eval 0.24] [%clk 1:43:19] } 8... c6 { [%eval 0.11] [%clk 1:38:26] } 9. O-O { [%eval 0.21] [%clk 1:43:31] } 9... a5 { [%eval 0.23] [%clk 1:38:21] } 10. f3 { [%eval 0.3] [%clk 1:30:52] } 10... Nbd7 { [%eval 0.29] [%clk 1:35:15] } 11. a4 { [%eval 0.25] [%clk 1:12:24] } 11... Nf8 { [%eval 0.23] [%clk 1:28:07] } 12. Qc2 { [%eval 0.23] [%clk 1:09:48] } 12... g6 { [%eval 0.27] [%clk 1:21:44] } 13. Rad1 { [%eval 0.25] [%clk 1:00:57] } 13... Ne6 { [%eval 0.23] [%clk 1:09:01] } 14. Bh4 { [%eval 0.17] [%clk 1:00:59] } 14... Qb6 { [%eval 0.54] [%clk 1:00:07] } 15. Qd2 { [%eval 0.42] [%clk 0:44:16] } 15... Bd7 { [%eval 0.46] [%clk 0:55:45] } 16. Kh1 { [%eval 0.55] [%clk 0:41:12] } 16... Rad8 { [%eval 0.56] [%clk 0:49:42] } 17. Bb1 { [%eval 0.63] [%clk 0:39:01] } 17... Bc8 { [%eval 0.71] [%clk 0:38:37] } 18. Nf4?! { [%eval -0.03] } { Inaccuracy. Ba2 was best. } { [%clk 0:34:01] } 18... Nxf4 { [%eval -0.12] [%clk 0:35:59] } 19. exf4 { [%eval -0.09] [%clk 0:32:26] } 19... Qc7 { [%eval 0.4] [%clk 0:29:00] } 20. g4 { [%eval 0.36] [%clk 0:24:08] } 20... Kh8?! { [%eval 1.12] } { Inaccuracy. Ne4 was best. } { [%clk 0:22:39] } 21. Rg1? { [%eval -0.03] } { Mistake. f5 was best. } { [%clk 0:19:25] } 21... Ng8 { [%eval 0.27] [%clk 0:19:49] } 22. Bg3 { [%eval 0.25] [%clk 0:18:32] } 22... Bd6 { [%eval 0.48] [%clk 0:20:00] } 23. Rg2 { [%eval 0.39] [%clk 0:12:55] } 23... Re7 { [%eval 0.52] [%clk 0:19:04] } 24. Rdg1 { [%eval 0.48] [%clk 0:09:28] } 24... Rde8 { [%eval 0.4] [%clk 0:18:33] } 25. Nd1?! { [%eval -0.25] } { Inaccuracy. f5 was best. } { [%clk 0:09:24] } 25... Bb4?! { [%eval 0.35] } { Inaccuracy. f6 was best. } { [%clk 0:16:37] } 26. Qd3?! { [%eval -0.72] } { Inaccuracy. Nc3 was best. } { [%clk 0:08:58] } 26... b6?? { [%eval 0.95] } { Blunder. f5 was best. } { [%clk 0:12:48] } 27. f5 { [%eval 0.97] [%clk 0:09:09] } 27... Bd6 { [%eval 0.89] [%clk 0:13:08] } 28. Bh4 { [%eval 0.97] [%clk 0:08:38] } 28... Rd7 { [%eval 0.91] [%clk 0:10:37] } 29. Nc3 { [%eval 0.74] [%clk 0:05:50] } 29... Bf4 { [%eval 1.3] [%clk 0:10:24] } 30. Ne2 { [%eval 1.12] [%clk 0:04:22] } 30... Re3 { [%eval 1.24] [%clk 0:09:16] } 31. Qd1?! { [%eval 0.55] } { Inaccuracy. Qd2 was best. } { [%clk 0:04:42] } 31... Bd6 { [%eval 1.04] [%clk 0:09:03] } 32. Nc3 { [%eval 0.57] [%clk 0:03:00] } 32... Ba6 { [%eval 0.75] [%clk 0:09:13] } 33. g5 { [%eval 0.23] [%clk 0:02:09] } 33... Rde7 { [%eval 0.31] [%clk 0:08:54] } 34. f6 { [%eval 0.0] [%clk 0:01:27] } 34... R7e6 { [%eval 0.22] [%clk 0:09:06] } 35. Be1?! { [%eval -0.76] } { Inaccuracy. Bf2 was best. } { [%clk 0:01:30] } 35... h6 { [%eval -0.67] [%clk 0:05:45] } 36. h4?? { [%eval -2.64] } { Blunder. Bd2 was best. } { [%clk 0:01:22] } 36... Qd7 { [%eval -2.44] [%clk 0:04:18] } 37. Bg3 { [%eval -2.45] [%clk 0:01:00] } 37... Bxg3? { [%eval -0.78] } { Mistake. Nxf6 was best. } { [%clk 0:03:47] } 38. Rxg3 { [%eval -0.94] [%clk 0:01:28] } 38... Qd6?! { [%eval -0.3] } { Inaccuracy. h5 was best. } { [%clk 0:04:03] } 39. h5 { [%eval -0.4] [%clk 0:00:44] } 39... Re1 { [%eval 0.0] [%clk 0:00:52] } 40. hxg6?? { [%eval -3.01] } { Blunder. Rxe1 was best. } { [%clk 0:01:06] } 40... Nxf6 { [%eval -2.88] [%clk 0:00:35] } 41. Rxe1 { [%eval -3.21] [%clk 0:28:14] } 41... Qxg3 { [%eval -3.06] [%clk 0:50:30] } 42. Rxe6 { [%eval -3.17] [%clk 0:28:38] } 42... Qh4+ { [%eval -3.17] [%clk 0:50:37] } 43. Kg2 { [%eval -3.03] [%clk 0:28:10] } 43... Qxg5+ { [%eval -2.87] [%clk 0:50:58] } 44. Kh2?! { [%eval -4.37] } { Inaccuracy. Kf2 was best. } { [%clk 0:27:05] } 44... fxe6 { [%eval -4.33] [%clk 0:49:10] } 45. Qe1 { [%eval -4.34] [%clk 0:27:21] } 45... Nh5 { [%eval -4.0] [%clk 0:48:46] } 46. Nd1 { [%eval -4.73] [%clk 0:25:03] } 46... Qf4+ { [%eval -4.64] [%clk 0:46:07] } 47. Kg2 { [%eval -4.67] [%clk 0:24:48] } 47... Qxd4 { [%eval -4.56] [%clk 0:46:07] } 48. Nf2 { [%eval -4.88] [%clk 0:24:52] } 48... Nf4+ { [%eval -4.38] [%clk 0:45:17] } 49. Kh2 { [%eval -4.48] [%clk 0:24:45] } 49... Ne2 { [%eval -4.14] [%clk 0:45:19] } 50. Ng4 { [%eval -4.91] [%clk 0:25:08] } 50... h5 { [%eval -4.76] [%clk 0:44:59] } 51. Qh4 { [%clk 0:24:46] } 51... Qg1+ { [%clk 0:45:22] } 52. Kh3 { [%clk 0:25:14] } 52... Nf4# { [%clk 0:45:15] } 0-1