Event: Round 4: Deepan Chakkravarthy J. - Chidvilash Sai Surapaneni
Site: https://lichess.org/broadcast/62nd-indian-national-championship-2025/round-4/7vLaLUrM/BYgyU8Is
Date: 2025-09-24
White: Deepan Chakkravarthy J.
WhiteTitle: GM
WhiteElo: 2407
Black: Chidvilash Sai Surapaneni
BlackTitle: CM
BlackElo: 2124
Result: 1-0
ECO: B10
Opening: Caro-Kann Defense: Two Knights Attack
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:51] } 1... c6 { [%eval 0.23] [%clk 1:30:08] } 2. Nf3 { [%eval 0.17] [%clk 1:30:58] } 2... d5 { [%eval 0.27] [%clk 1:30:26] } 3. Nc3 { [%eval 0.2] [%clk 1:31:24] } 3... dxe4 { [%eval 0.16] [%clk 1:29:31] } 4. Nxe4 { [%eval 0.12] [%clk 1:31:48] } 4... Nf6 { [%eval 0.21] [%clk 1:29:52] } 5. Nxf6+ { [%eval 0.1] [%clk 1:31:27] } 5... exf6 { [%eval 0.23] [%clk 1:30:14] } 6. g3 { [%eval 0.13] [%clk 1:31:53] } 6... Bd6 { [%eval 0.17] [%clk 1:28:23] } 7. Bg2 { [%eval 0.13] [%clk 1:32:16] } 7... O-O { [%eval 0.24] [%clk 1:28:38] } 8. O-O { [%eval 0.17] [%clk 1:32:43] } 8... Re8 { [%eval 0.24] [%clk 1:27:08] } 9. Re1 { [%eval 0.22] [%clk 1:32:59] } 9... Be6 { [%eval 0.14] [%clk 1:23:05] } 10. b3 { [%eval 0.07] [%clk 1:23:49] } 10... a5 { [%eval 0.24] [%clk 1:13:02] } 11. a3 { [%eval 0.13] [%clk 1:21:40] } 11... Nd7 { [%eval 0.21] [%clk 1:10:16] } 12. Nd4 { [%eval 0.25] [%clk 1:11:07] } 12... Nf8 { [%eval 0.22] [%clk 1:04:21] } 13. Nxe6 { [%eval 0.25] [%clk 1:10:46] } 13... fxe6?! { [%eval 1.03] } { Inaccuracy. Nxe6 was best. } { [%clk 1:04:11] } 14. d4 { [%eval 0.9] [%clk 1:08:46] } 14... e5 { [%eval 0.92] [%clk 1:02:07] } 15. Bb2 { [%eval 0.93] [%clk 1:07:50] } 15... Qc7 { [%eval 0.99] [%clk 1:01:40] } 16. Qh5 { [%eval 0.73] [%clk 1:01:07] } 16... Qf7 { [%eval 0.71] [%clk 0:59:32] } 17. Qxf7+ { [%eval 0.64] [%clk 1:01:00] } 17... Kxf7 { [%eval 0.79] [%clk 1:00:00] } 18. dxe5?! { [%eval 0.0] } { Inaccuracy. d5 was best. } { [%clk 1:01:23] } 18... Bxe5 { [%eval 0.0] [%clk 1:00:15] } 19. Bxe5 { [%eval 0.0] [%clk 1:01:48] } 19... Rxe5 { [%eval 0.0] [%clk 1:00:35] } 20. Rxe5 { [%eval 0.0] [%clk 1:02:12] } 20... fxe5 { [%eval 0.0] [%clk 1:01:03] } 21. Rd1 { [%eval 0.0] [%clk 0:57:11] } 21... Ke7 { [%eval 0.0] [%clk 1:00:12] } 22. Bh3 { [%eval 0.0] [%clk 0:47:36] } 22... Rd8 { [%eval 0.0] [%clk 0:36:35] } 23. Rxd8 { [%eval 0.0] [%clk 0:47:44] } 23... Kxd8 { [%eval 0.0] [%clk 0:37:01] } 24. Kg2 { [%eval 0.0] [%clk 0:47:58] } 24... h6 { [%eval 0.11] [%clk 0:32:43] } 25. Bf5 { [%eval 0.0] [%clk 0:44:00] } 25... g6 { [%eval 0.1] [%clk 0:29:31] } 26. Be4 { [%eval 0.08] [%clk 0:44:06] } 26... Ke7 { [%eval 0.18] [%clk 0:29:50] } 27. Kf3 { [%eval 0.0] [%clk 0:44:04] } 27... Kf6 { [%eval 0.01] [%clk 0:29:47] } 28. Ke3 { [%eval 0.0] [%clk 0:44:28] } 28... Ne6 { [%eval 0.1] [%clk 0:29:12] } 29. b4 { [%eval 0.0] [%clk 0:44:16] } 29... axb4 { [%eval 0.0] [%clk 0:24:34] } 30. axb4 { [%eval 0.0] [%clk 0:44:42] } 30... g5 { [%eval 0.0] [%clk 0:18:51] } 31. c3 { [%eval 0.0] [%clk 0:40:15] } 31... Nc7 { [%eval 0.0] [%clk 0:18:37] } 32. Kd3 { [%eval 0.0] [%clk 0:40:16] } 32... Nb5 { [%eval 0.0] [%clk 0:16:35] } 33. Bg2 { [%eval 0.0] [%clk 0:38:52] } 33... Nd6 { [%eval 0.0] [%clk 0:15:23] } 34. c4 { [%eval 0.0] [%clk 0:37:07] } 34... g4 { [%eval 0.0] [%clk 0:15:16] } 35. c5 { [%eval 0.04] [%clk 0:33:23] } 35... Nb5? { [%eval 1.21] } { Mistake. Nf5 was best. } { [%clk 0:14:18] } 36. h3 { [%eval 0.71] [%clk 0:33:45] } 36... h5 { [%eval 1.45] [%clk 0:12:09] } 37. h4 { [%eval 0.79] [%clk 0:34:01] } 37... Nc7 { [%eval 0.85] [%clk 0:02:32] } 38. Be4 { [%eval 0.86] [%clk 0:32:37] } 38... Nd5? { [%eval 2.42] } { Mistake. Ne6 was best. } { [%clk 0:02:19] } 39. Kc4?? { [%eval 0.0] } { Blunder. b5 was best. } { [%clk 0:28:47] } 39... Ke6 { [%eval 0.0] [%clk 0:02:38] } 40. Bg6 { [%eval 0.02] [%clk 0:26:00] } 40... Nf6 { [%eval 0.0] [%clk 0:03:03] } 41. Bc2 { [%eval 0.0] [%clk 0:18:22] } 41... Kd7 { [%eval 0.0] [%clk 0:28:06] } 42. b5 { [%eval 0.08] [%clk 0:27:40] } 42... Kc7?? { [%eval 2.18] } { Blunder. cxb5+ was best. } { [%clk 0:23:26] } 43. Bg6 { [%eval 2.08] [%clk 0:22:14] } 43... Kc8 { [%eval 1.93] [%clk 0:14:34] } 44. Bf5+ { [%eval 2.05] [%clk 0:12:21] } 44... Kc7?! { [%eval 3.18] } { Inaccuracy. Kd8 was best. } { [%clk 0:14:53] } 45. b6+ { [%eval 3.14] [%clk 0:11:02] } 45... Kd8 { [%eval 3.12] [%clk 0:14:16] } 46. Kd3 { [%eval 2.91] [%clk 0:11:30] } 46... Nd7 { [%eval 3.33] [%clk 0:14:07] } 47. Ke4 { [%eval 3.25] [%clk 0:09:30] } 47... Nxc5+ { [%eval 3.12] [%clk 0:14:31] } 48. Kxe5 { [%eval 3.07] [%clk 0:09:56] } 48... Ke7 { [%eval 3.07] [%clk 0:13:43] } 49. Bg6 { [%eval 3.36] [%clk 0:08:24] } 49... Nd7+ { [%eval 3.09] [%clk 0:12:53] } 50. Kf4 { [%eval 2.92] [%clk 0:08:40] } 50... Nxb6 { [%eval 3.14] [%clk 0:10:15] } 51. Bxh5 { [%eval 3.02] [%clk 0:07:13] } 51... Kf6?! { [%eval 4.34] } { Inaccuracy. Nd5+ was best. } { [%clk 0:06:22] } 52. Bxg4 { [%eval 4.19] [%clk 0:07:17] } 52... Nd5+ { [%eval 3.74] [%clk 0:06:16] } 53. Ke4 { [%eval 3.83] [%clk 0:07:37] } 53... Ne7 { [%eval 4.61] [%clk 0:05:22] } 54. Be2 { [%eval 5.0] [%clk 0:05:27] } 54... Nf5 { [%eval 5.21] [%clk 0:05:20] } 55. h5 { [%eval 5.56] [%clk 0:04:48] } 55... b5 { [%eval 5.89] [%clk 0:03:26] } 56. g4 { [%eval 5.71] [%clk 0:03:57] } 56... Nd6+ { [%eval 4.99] [%clk 0:03:50] } 57. Kf4 { [%eval 5.76] [%clk 0:03:23] } 57... Nf7 { [%eval 5.56] [%clk 0:04:05] } 58. Ke3 { [%eval 5.36] [%clk 0:03:31] } 58... Kg5 { [%eval 6.0] [%clk 0:02:56] } 59. f4+ { [%eval 5.83] [%clk 0:03:18] } 59... Kh4 { [%eval 6.31] [%clk 0:03:19] } 60. Ke4 { [%eval 6.0] [%clk 0:01:36] } 60... c5 { [%eval 6.43] [%clk 0:03:21] } 61. Kf5 { [%eval 6.37] [%clk 0:00:53] } 61... Nh6+ { [%eval 8.0] [%clk 0:01:38] } 62. Kg6 { [%eval 7.55] [%clk 0:01:06] } 62... Nxg4? { [%eval #16] } { Checkmate is now unavoidable. Ng8 was best. } { [%clk 0:02:02] } 63. Bxg4 { [%eval #15] [%clk 0:01:25] } 63... Kxg4 { [%eval #15] [%clk 0:02:28] } 64. h6 { [%eval #16] [%clk 0:01:51] } 64... b4 { [%eval #15] [%clk 0:02:26] } 65. h7 { [%eval #14] [%clk 0:02:17] } 65... b3 { [%eval #13] [%clk 0:02:17] } 66. h8=Q { [%eval #13] [%clk 0:02:38] } 1-0