Event: 98th Caplin Hastings Weekend Open 2025
Site: Horntye Park, Hastings, United Kingdom
Date: 2025-01-04
White: Kalavannan, Koby
WhiteTitle: FM
WhiteElo: 2300
Black: Barantsev, Oleg
BlackElo: 1917
Result: 1/2-1/2
ECO: B06
Opening: Modern Defense: Pseudo-Austrian Attack
Variant: Standard
TimeControl: G: 110 minutes + 10 seconds added per move

1. d4 { [%eval 0.17] [%clk 1:43:59] } 1... g6 { [%eval 0.57] [%clk 1:50:13] } 2. e4 { [%eval 0.48] [%clk 1:43:37] } 2... Bg7 { [%eval 0.48] [%clk 1:50:17] } 3. Nc3 { [%eval 0.47] [%clk 1:43:31] } 3... d6 { [%eval 0.46] [%clk 1:50:21] } 4. f4 { [%eval 0.46] [%clk 1:42:44] } 4... c6 { [%eval 0.87] [%clk 1:49:41] } 5. Be3 { [%eval 0.52] [%clk 1:33:28] } 5... Qa5 { [%eval 0.97] [%clk 1:49:33] } 6. Qd2 { [%eval 0.69] [%clk 1:32:58] } 6... Nf6 { [%eval 0.74] [%clk 1:45:27] } 7. Nf3 { [%eval 0.68] [%clk 1:32:44] } 7... Bg4 { [%eval 0.95] [%clk 1:43:37] } 8. Bd3 { [%eval 0.68] [%clk 1:27:34] } 8... Nbd7 { [%eval 1.06] [%clk 1:38:58] } 9. e5 { [%eval 1.03] [%clk 1:24:49] } 9... Nd5 { [%eval 0.94] [%clk 1:30:12] } 10. Nxd5 { [%eval 1.06] [%clk 1:15:52] } 10... Qxd2+ { [%eval 1.16] [%clk 1:30:08] } 11. Kxd2 { [%eval 0.63] [%clk 1:14:48] } 11... cxd5 { [%eval 0.53] [%clk 1:29:49] } 12. exd6 { [%eval 0.71] [%clk 1:14:36] } 12... Bxf3 { [%eval 0.83] [%clk 1:24:50] } 13. gxf3 { [%eval 0.72] [%clk 1:14:43] } 13... e6 { [%eval 0.53] [%clk 1:23:03] } 14. f5 { [%eval 0.72] [%clk 1:14:04] } 14... gxf5 { [%eval 0.5] [%clk 1:20:16] } 15. Rae1?! { [%eval -0.07] } { Inaccuracy. Rac1 was best. } { [%clk 1:09:03] } 15... O-O-O { [%eval -0.02] [%clk 1:19:01] } 16. Rhg1 { [%eval -0.4] [%clk 1:08:34] } 16... Bf6 { [%eval -0.36] [%clk 1:15:57] } 17. c3 { [%eval -0.5] [%clk 1:07:28] } 17... Rhg8 { [%eval -0.01] [%clk 1:15:33] } 18. Bf4 { [%eval -0.17] [%clk 1:02:48] } 18... Rg6 { [%eval -0.18] [%clk 1:15:11] } 19. Rc1 { [%eval -0.21] [%clk 1:00:43] } 19... Kb8?! { [%eval 0.76] } { Inaccuracy. Rxg1 was best. } { [%clk 1:10:47] } 20. Ke3?! { [%eval 0.19] } { Inaccuracy. Bb5 was best. } { [%clk 0:55:27] } 20... Rdg8 { [%eval 0.46] [%clk 1:06:47] } 21. Rg3 { [%eval 0.47] [%clk 0:52:13] } 21... Bg5? { [%eval 2.1] } { Mistake. a6 was best. } { [%clk 0:59:23] } 22. Bxg5?! { [%eval 1.4] } { Inaccuracy. Rxg5 was best. } { [%clk 0:50:42] } 22... Rxg5 { [%eval 1.44] [%clk 0:59:25] } 23. Rxg5 { [%eval 1.34] [%clk 0:43:17] } 23... Rxg5 { [%eval 1.11] [%clk 0:59:34] } 24. c4 { [%eval 0.67] [%clk 0:37:07] } 24... dxc4 { [%eval 0.68] [%clk 0:48:40] } 25. Bxc4 { [%eval 0.78] [%clk 0:36:44] } 25... a6?? { [%eval 3.06] } { Blunder. Nb6 was best. } { [%clk 0:41:13] } 26. Bb3 { [%eval 3.13] [%clk 0:35:56] } 26... Rg8 { [%eval 3.62] [%clk 0:40:43] } 27. Rc7 { [%eval 3.59] [%clk 0:35:43] } 27... Rd8 { [%eval 3.62] [%clk 0:40:45] } 28. Kf4 { [%eval 3.66] [%clk 0:34:51] } 28... Nb6 { [%eval 4.33] [%clk 0:40:32] } 29. Rxf7 { [%eval 4.27] [%clk 0:33:24] } 29... Rxd6 { [%eval 4.62] [%clk 0:40:36] } 30. Ke5 { [%eval 4.47] [%clk 0:33:24] } 30... Rc6 { [%eval 4.79] [%clk 0:40:11] } 31. Rxh7 { [%eval 4.62] [%clk 0:31:29] } 31... Nc4+ { [%eval 4.61] [%clk 0:39:43] } 32. Bxc4 { [%eval 4.96] [%clk 0:31:16] } 32... Rxc4 { [%eval 4.94] [%clk 0:39:51] } 33. h4 { [%eval 4.93] [%clk 0:30:30] } 33... Rc2 { [%eval 4.85] [%clk 0:39:49] } 34. h5 { [%eval 4.69] [%clk 0:29:56] } 34... Rxb2 { [%eval 4.92] [%clk 0:39:53] } 35. h6 { [%eval 4.94] [%clk 0:30:02] } 35... Rxa2 { [%eval 4.91] [%clk 0:39:57] } 36. Re7 { [%eval 4.92] [%clk 0:28:10] } 36... Rh2 { [%eval 4.89] [%clk 0:39:11] } 37. h7 { [%eval 5.59] [%clk 0:28:13] } 37... Ka7 { [%eval 5.54] [%clk 0:39:17] } 38. Kf6 { [%eval 5.54] [%clk 0:28:16] } 38... a5 { [%eval 5.37] [%clk 0:39:09] } 39. Kg7 { [%eval 4.95] [%clk 0:28:16] } 39... Rg2+ { [%eval 6.0] [%clk 0:38:26] } 40. Kf8 { [%eval 5.85] [%clk 0:28:08] } 40... Rh2 { [%eval 4.96] [%clk 0:38:31] } 41. Kg8 { [%eval 4.8] [%clk 0:28:09] } 41... Rg2+?! { [%eval 6.17] } { Inaccuracy. Ka6 was best. } { [%clk 0:38:37] } 42. Rg7 { [%eval 6.26] [%clk 0:28:01] } 42... Rh2 { [%eval 6.68] [%clk 0:38:42] } 43. h8=Q { [%eval 5.67] [%clk 0:27:01] } 43... Rxh8+ { [%eval 5.94] [%clk 0:38:46] } 44. Kxh8 { [%eval 6.31] [%clk 0:27:09] } 44... a4 { [%eval 6.15] [%clk 0:38:50] } 45. Re7 { [%eval 6.12] [%clk 0:27:07] } 45... a3 { [%eval 5.92] [%clk 0:38:48] } 46. Rxe6?? { [%eval 0.0] } { Blunder. Rc7 was best. } { [%clk 0:27:10] } 46... b5 { [%eval 0.0] [%clk 0:38:55] } 47. Re1 { [%eval 0.0] [%clk 0:21:10] } 47... b4 { [%eval 0.0] [%clk 0:36:34] } 48. Ra1 { [%eval 0.0] [%clk 0:16:45] } 48... Kb6 { [%eval 0.0] [%clk 0:34:46] } 49. Kg7 { [%eval 0.0] [%clk 0:12:08] } 49... Kc6 { [%eval 0.0] [%clk 0:34:16] } 50. Kf6 { [%eval 0.0] [%clk 0:11:09] } 50... Kd5 { [%eval 0.0] [%clk 0:34:18] } 51. Kxf5 { [%eval 0.0] [%clk 0:10:46] } 51... Kxd4 { [%eval 0.0] [%clk 0:34:22] } 52. Ke6 { [%eval 0.0] [%clk 0:09:56] } 52... Kc3?? { [%eval #33] } { Checkmate is now unavoidable. Kc4 was best. } { [%clk 0:33:54] } 53. Kd5 { [%eval #38] [%clk 0:06:13] } 53... Kb2 { [%eval #57] [%clk 0:32:43] } 54. Rg1? { [%eval 8.33] } { Lost forced checkmate sequence. Re1 was best. } { [%clk 0:05:29] } 54... Kc3? { [%eval #60] } { Checkmate is now unavoidable. b3 was best. } { [%clk 0:27:58] } 55. Rc1+ { [%eval 29.22] [%clk 0:04:27] } 55... Kb2 { [%eval 19.73] [%clk 0:25:54] } 56. Re1 { [%eval 8.47] [%clk 0:04:36] } 56... Kc3 { [%eval 5.52] [%clk 0:24:18] } 57. f4?? { [%eval 0.0] } { Blunder. Re3+ was best. } { [%clk 0:01:44] } 57... a2 { [%eval 0.0] [%clk 0:21:40] } 58. f5 { [%eval 0.0] [%clk 0:00:18] } 58... b3 { [%eval 0.0] [%clk 0:21:42] } 59. f6 { [%eval 0.0] [%clk 0:00:25] } 59... b2 { [%eval 0.0] [%clk 0:21:47] } 60. f7 { [%eval 0.0] [%clk 0:00:33] } 60... b1=Q { [%eval 0.0] [%clk 0:21:44] } 61. Rxb1 { [%eval 0.0] [%clk 0:00:13] } 61... axb1=Q { [%eval 0.0] [%clk 0:21:45] } 62. f8=Q { [%eval 0.0] [%clk 0:00:20] } 62... Qd3+ { [%eval 0.0] [%clk 0:21:41] } 63. Kc6 { [%eval 0.0] [%clk 0:00:26] } 63... Qc4+ { [%eval 0.0] [%clk 0:21:45] } 64. Qc5 { [%eval 0.0] [%clk 0:00:34] } 64... Qxc5+ { [%clk 0:21:49] } 65. Kxc5 { [%clk 0:00:43] } 1/2-1/2