Event: Round 4: Shawnak Shivakumar - Roberto Calderin
Date: 2023-12-28
White: Shawnak Shivakumar
WhiteTitle: FM
Black: Roberto Calderin
BlackTitle: IM
Result: 0-1
ECO: D32
Opening: Tarrasch Defense: Two Knights Variation
Variant: Standard

1. d4 { [%eval 0.13] [%clk 1:22:29] } 1... d5 { [%eval 0.27] [%clk 1:30:21] } 2. c4 { [%eval 0.0] [%clk 1:22:50] } 2... e6 { [%eval 0.3] [%clk 1:30:46] } 3. Nc3 { [%eval 0.39] [%clk 1:23:15] } 3... c5 { [%eval 0.63] [%clk 1:31:10] } 4. cxd5 { [%eval 0.42] [%clk 1:23:39] } 4... exd5 { [%eval 0.53] [%clk 1:31:37] } 5. Nf3 { [%eval 0.36] [%clk 1:24:01] } 5... Nc6 { [%eval 0.37] [%clk 1:32:02] } 6. dxc5 { [%eval 0.55] [%clk 1:24:25] } 6... Nf6 { [%eval 0.8] [%clk 1:29:36] } 7. Be3 { [%eval 0.49] [%clk 1:12:49] } 7... Ng4?? { [%eval 2.58] } { Blunder. Be7 was best. } { [%clk 1:18:45] } 8. Bd4 { [%eval 1.78] [%clk 1:11:36] } 8... Qa5 { [%eval 2.0] [%clk 1:13:20] } 9. e3 { [%eval 2.07] [%clk 1:06:05] } 9... Bxc5 { [%eval 2.07] [%clk 1:09:29] } 10. Bxc5 { [%eval 1.79] [%clk 1:02:48] } 10... Qxc5 { [%eval 1.71] [%clk 1:09:57] } 11. Qd3? { [%eval 0.34] } { Mistake. Qxd5 was best. } 11... Qe7? { [%eval 1.77] } { Mistake. Be6 was best. } { [%clk 1:07:55] } 12. Qxd5 { [%eval 1.32] [%clk 0:57:26] } 12... Bd7 { [%eval 1.69] } 13. Qe4 { [%eval 1.42] } 13... Be6 { [%eval 1.68] [%clk 1:07:45] } 14. Bb5 { [%eval 1.68] [%clk 0:54:38] } 14... O-O { [%eval 1.59] [%clk 1:07:56] } 15. O-O { [%eval 1.72] [%clk 0:54:35] } 15... Nf6 { [%eval 1.67] [%clk 1:07:43] } 16. Qf4 { [%eval 1.53] [%clk 0:51:44] } 16... Rac8 { [%eval 1.87] [%clk 1:07:52] } 17. Rfd1 { [%eval 1.86] [%clk 0:51:05] } 17... a6 { [%eval 1.8] [%clk 1:08:06] } 18. Be2 { [%eval 1.57] [%clk 0:50:54] } 18... Rfd8 { [%eval 1.53] [%clk 1:08:25] } 19. Ng5 { [%eval 1.5] [%clk 0:49:09] } 19... b5?! { [%eval 2.19] } { Inaccuracy. Nd5 was best. } { [%clk 1:01:42] } 20. Bf3 { [%eval 1.67] [%clk 0:46:06] } 20... h6 { [%eval 1.82] [%clk 0:56:37] } 21. Rxd8+ { [%eval 1.5] [%clk 0:34:58] } 21... Nxd8 { [%eval 1.52] [%clk 0:55:39] } 22. Nge4 { [%eval 1.59] [%clk 0:31:28] } 22... Nxe4 { [%eval 1.53] [%clk 0:55:53] } 23. Qxe4 { [%eval 1.47] [%clk 0:29:59] } 23... Qc5 { [%eval 1.72] [%clk 0:48:30] } 24. Qd4?! { [%eval 0.78] } { Inaccuracy. Ne2 was best. } { [%clk 0:24:32] } 24... Qxd4 { [%eval 0.78] [%clk 0:47:58] } 25. exd4 { [%eval 0.78] [%clk 0:24:53] } 25... b4 { [%eval 0.67] [%clk 0:48:25] } 26. Na4 { [%eval 0.58] [%clk 0:17:00] } 26... Bxa2 { [%eval 1.03] [%clk 0:47:31] } 27. h3 { [%eval 0.88] [%clk 0:15:23] } 27... b3 { [%eval 0.94] [%clk 0:47:28] } 28. Rd1 { [%eval 0.97] [%clk 0:12:52] } 28... Rc4 { [%eval 0.81] [%clk 0:41:43] } 29. Nc5 { [%eval 0.68] [%clk 0:06:42] } 29... Rc2 { [%eval 0.75] [%clk 0:41:01] } 30. Nxa6?! { [%eval 0.0] } { Inaccuracy. Be4 was best. } { [%clk 0:05:45] } 30... Rxb2 { [%eval -0.02] [%clk 0:41:06] } 31. Nb4?? { [%eval -1.86] } { Blunder. Nc5 was best. } { [%clk 0:04:17] } 31... Rb1 { [%eval -1.82] [%clk 0:37:40] } 32. Nd3 { [%eval -1.86] [%clk 0:04:38] } 32... Ne6 { [%eval -1.9] [%clk 0:37:22] } 33. d5? { [%eval -3.87] } { Mistake. Rxb1 was best. } { [%clk 0:03:36] } 33... Nd4 { [%eval -3.89] [%clk 0:37:27] } 34. Rxb1 { [%eval -4.73] [%clk 0:03:50] } 34... Nxf3+ { [%eval -4.65] [%clk 0:34:41] } 35. gxf3 { [%eval -4.7] [%clk 0:04:18] } 35... Bxb1 { [%eval -4.72] [%clk 0:35:05] } 36. Nb2 { [%eval -4.67] [%clk 0:04:31] } 36... Kf8 { [%eval -4.84] [%clk 0:35:20] } 37. Kf1 { [%eval -5.05] [%clk 0:04:13] } 37... Ke7 { [%eval -4.96] [%clk 0:35:12] } 38. Ke2 { [%eval -4.98] [%clk 0:04:26] } 38... Kd6 { [%eval -4.98] [%clk 0:35:29] } 39. Ke3 { [%eval -5.14] [%clk 0:04:18] } 39... Kxd5 { [%eval -5.28] [%clk 0:35:47] } 40. h4 { [%eval -5.25] [%clk 0:04:41] } 40... Bg6 { [%eval -5.24] [%clk 0:35:14] } 41. Kd2 { [%eval -5.17] [%clk 0:03:48] } 41... Kd4 { [%eval -5.51] [%clk 0:35:09] } 42. Nd1 { [%eval -5.45] [%clk 0:03:47] } 42... Bf5 { [%eval -5.66] [%clk 0:35:10] } 43. Nb2 { [%eval -5.6] [%clk 0:03:43] } 43... g5 { [%eval -5.35] [%clk 0:35:33] } 44. hxg5 { [%eval -5.78] [%clk 0:03:10] } 44... h5 { [%eval -5.57] [%clk 0:36:01] } 45. Nd1 { [%eval -6.16] [%clk 0:03:26] } 45... h4 { [%eval -6.75] [%clk 0:36:21] } 46. Ne3 { [%eval -7.38] [%clk 0:03:17] } 46... Be6 { [%eval -5.83] [%clk 0:36:40] } 47. Nf1 { [%eval -6.23] [%clk 0:02:17] } 47... h3 { [%eval -6.0] [%clk 0:36:54] } 48. Ng3 { [%eval -6.44] [%clk 0:01:57] } 48... h2 { [%eval -6.42] [%clk 0:37:10] } 49. f4 { [%eval -6.47] [%clk 0:02:21] } 49... Bd5 { [%eval -6.35] [%clk 0:37:19] } 50. f5 { [%eval -6.98] [%clk 0:01:50] } 50... h1=Q { [%eval -7.01] [%clk 0:37:46] } 51. Nxh1 { [%eval -12.13] [%clk 0:02:19] } 51... Bxh1 { [%eval -6.91] [%clk 0:38:14] } 52. g6?? { [%eval #-17] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:01:54] } 52... f6 { [%eval #-11] [%clk 0:38:20] } 53. f4 { [%eval #-11] [%clk 0:01:46] } 53... Be4 { [%eval #-10] [%clk 0:38:13] } 54. g7 { [%eval #-10] [%clk 0:02:12] } 54... Bd5 { [%eval #-9] [%clk 0:38:40] } 0-1