Event: Round 7: Costa, Leonardo - Chanda, Sandipan
Site: https://lichess.org/broadcast/28th-bavarian-international-open/round-7/vg8GpKqS/De8qu9V5
Date: 2025-11-07
White: Costa, Leonardo
WhiteTitle: GM
WhiteElo: 2546
Black: Chanda, Sandipan
BlackTitle: GM
BlackElo: 2483
Result: 0-1
ECO: A90
Opening: Dutch Defense: Classical Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... e6 { [%eval 0.37] [%clk 1:30:44] } 2. c4 { [%eval 0.16] [%clk 1:31:20] } 2... f5 { [%eval 0.41] [%clk 1:31:05] } 3. g3 { [%eval 0.42] [%clk 1:31:29] } 3... Nf6 { [%eval 0.48] [%clk 1:31:29] } 4. Bg2 { [%eval 0.34] [%clk 1:31:55] } 4... d5 { [%eval 0.46] [%clk 1:31:47] } 5. Nf3 { [%eval 0.4] [%clk 1:32:17] } 5... Bd6 { [%eval 0.42] [%clk 1:32:08] } 6. O-O { [%eval 0.39] [%clk 1:32:22] } 6... O-O { [%eval 0.46] [%clk 1:32:29] } 7. Nbd2 { [%eval 0.26] [%clk 1:30:10] } 7... c6 { [%eval 0.51] [%clk 1:30:10] } 8. Ne5 { [%eval 0.58] [%clk 1:30:25] } 8... Nbd7 { [%eval 0.64] [%clk 1:28:03] } 9. Ndf3 { [%eval 0.61] [%clk 1:30:49] } 9... Ng4 { [%eval 0.72] [%clk 1:24:58] } 10. Bf4 { [%eval 0.45] [%clk 1:04:18] } 10... Ngxe5 { [%eval 0.46] [%clk 1:23:21] } 11. Nxe5 { [%eval 0.3] [%clk 1:04:38] } 11... Nxe5 { [%eval 0.32] [%clk 1:19:38] } 12. Bxe5 { [%eval 0.18] [%clk 1:05:05] } 12... Bxe5 { [%eval 0.24] [%clk 1:19:03] } 13. dxe5 { [%eval 0.3] [%clk 1:05:32] } 13... b6 { [%eval 0.38] [%clk 1:12:28] } 14. Rc1 { [%eval 0.59] [%clk 1:04:45] } 14... Bb7 { [%eval 0.56] [%clk 1:12:08] } 15. f4 { [%eval 0.17] [%clk 0:50:49] } 15... Qe7 { [%eval 0.4] [%clk 1:08:13] } 16. Qb3 { [%eval 0.13] [%clk 0:51:14] } 16... Ba6 { [%eval 0.1] [%clk 0:58:23] } 17. Qe3? { [%eval -1.02] } { Mistake. cxd5 was best. } { [%clk 0:29:23] } 17... Bxc4 { [%eval -0.89] [%clk 0:55:17] } 18. b3 { [%eval -0.87] [%clk 0:24:17] } 18... Qa3 { [%eval -1.01] [%clk 0:55:25] } 19. Rc2 { [%eval -1.19] [%clk 0:24:09] } 19... Bb5 { [%eval -1.07] [%clk 0:55:26] } 20. Qc1 { [%eval -0.9] [%clk 0:23:41] } 20... Qxc1 { [%eval -0.95] [%clk 0:55:15] } 21. Rfxc1 { [%eval -1.07] [%clk 0:24:08] } 21... c5 { [%eval -1.13] [%clk 0:55:30] } 22. a4 { [%eval -1.12] [%clk 0:24:29] } 22... Bd7 { [%eval -1.06] [%clk 0:46:50] } 23. a5 { [%eval -0.99] [%clk 0:24:38] } 23... Rfc8 { [%eval -0.86] [%clk 0:42:55] } 24. e3 { [%eval -1.22] [%clk 0:19:56] } 24... Kf8?! { [%eval -0.61] } { Inaccuracy. Bb5 was best. } { [%clk 0:40:25] } 25. Bf1 { [%eval -0.7] [%clk 0:19:45] } 25... Ke7 { [%eval -0.78] [%clk 0:40:07] } 26. Kf2 { [%eval -0.6] [%clk 0:20:13] } 26... Rab8 { [%eval -0.54] [%clk 0:38:59] } 27. h4 { [%eval -0.61] [%clk 0:20:06] } 27... Kd8 { [%eval -0.32] [%clk 0:29:36] } 28. Be2? { [%eval -1.54] } { Mistake. Ba6 was best. } { [%clk 0:19:27] } 28... bxa5 { [%eval -1.64] [%clk 0:28:51] } 29. Rxc5 { [%eval -1.52] [%clk 0:18:59] } 29... Rxb3 { [%eval -1.7] [%clk 0:29:07] } 30. Rxc8+ { [%eval -2.02] [%clk 0:19:19] } 30... Bxc8 { [%eval -1.97] [%clk 0:29:32] } 31. Ra1 { [%eval -1.89] [%clk 0:19:47] } 31... Kc7 { [%eval -1.75] [%clk 0:29:37] } 32. Rxa5 { [%eval -1.69] [%clk 0:20:07] } 32... Kb6 { [%eval -2.25] [%clk 0:30:02] } 33. Ra2 { [%eval -2.29] [%clk 0:19:30] } 33... a5 { [%eval -2.3] [%clk 0:30:25] } 34. Bd1 { [%eval -2.08] [%clk 0:19:51] } 34... Rb4 { [%eval -2.21] [%clk 0:29:21] } 35. Ba4 { [%eval -2.58] [%clk 0:20:12] } 35... Ba6 { [%eval -2.6] [%clk 0:24:45] } 36. Bd7 { [%eval -2.54] [%clk 0:19:54] } 36... Bc4 { [%eval -2.38] [%clk 0:25:09] } 37. Ra3 { [%eval -2.15] [%clk 0:18:41] } 37... Rb3?? { [%eval 0.0] } { Blunder. Rb2+ was best. } { [%clk 0:20:25] } 38. Rxb3+ { [%eval -0.12] [%clk 0:07:08] } 38... Bxb3 { [%eval -0.12] [%clk 0:20:52] } 39. Ke1 { [%eval -0.3] [%clk 0:07:34] } 39... a4 { [%eval -0.15] [%clk 0:20:58] } 40. Kd2 { [%eval -0.04] [%clk 0:08:01] } 40... a3 { [%eval -0.11] [%clk 0:19:43] } 41. Kc3 { [%eval -0.19] [%clk 0:07:48] } 41... d4+ { [%eval -0.07] [%clk 0:17:54] } 42. exd4 { [%eval -0.16] [%clk 0:07:28] } 42... Bd5 { [%eval 0.0] [%clk 0:17:59] } 43. Ba4 { [%eval 0.0] [%clk 0:30:09] } 43... Ka5 { [%eval 0.0] [%clk 0:47:59] } 44. Be8 { [%eval -0.01] [%clk 0:24:06] } 44... a2 { [%eval -0.07] [%clk 0:37:06] } 45. Kb2 { [%eval -0.12] [%clk 0:24:28] } 45... Kb4 { [%eval -0.11] [%clk 0:37:28] } 46. h5 { [%eval -0.17] [%clk 0:24:53] } 46... h6 { [%eval -0.53] [%clk 0:30:05] } 47. Bg6?? { [%eval -7.16] } { Blunder. Bd7 was best. } { [%clk 0:23:31] } 47... Bb3 { [%eval -7.73] [%clk 0:29:55] } 48. Bf7 { [%eval -7.73] [%clk 0:23:55] } 48... Kb5 { [%eval -7.45] [%clk 0:30:14] } 49. Bg8 { [%eval -7.53] [%clk 0:05:31] } 49... Kc6 { [%eval -6.99] [%clk 0:30:14] } 0-1