Event: Sakthi Group 35th Tamil Nadu IM Norm Closed Circuit Tournament – Chennai
Site: https://lichess.org/broadcast/tamil-nadu-im-norm-closed-circuit--35th/round-5/azBtR5MD/2yQa1x0d
Date: 2025-10-10
White: Otero Acosta, Diasmany
WhiteTitle: IM
WhiteElo: 2306
Black: Sanjay Narayanan P S
BlackElo: 2156
Result: 1-0
ECO: D30
Opening: Queen's Gambit Declined
Variant: Standard
TimeControl: 90 Minutes each + 30 Sec Increment from 1st Move

1. d4 { [%eval 0.17] [%clk 1:28:46] } 1... d5 { [%eval 0.18] [%clk 1:30:39] } 2. c4 { [%eval 0.18] [%clk 1:29:11] } 2... e6 { [%eval 0.17] [%clk 1:30:59] } 3. Nf3 { [%eval 0.11] [%clk 1:29:30] } 3... Be7 { [%eval 0.16] [%clk 1:30:45] } 4. Nc3 { [%eval 0.21] [%clk 1:29:47] } 4... Nf6 { [%eval 0.14] [%clk 1:30:36] } 5. g3 { [%eval 0.08] [%clk 1:26:24] } 5... O-O { [%eval 0.07] [%clk 1:29:31] } 6. Bg2 { [%eval 0.15] [%clk 1:26:50] } 6... dxc4 { [%eval 0.14] [%clk 1:29:10] } 7. O-O { [%eval -0.07] [%clk 1:21:16] } 7... Nc6 { [%eval -0.14] [%clk 1:21:44] } 8. e3 { [%eval -0.21] [%clk 1:21:15] } 8... Nd5 { [%eval 0.0] [%clk 1:16:42] } 9. Qe2 { [%eval -0.03] [%clk 1:12:28] } 9... Nxc3 { [%eval 0.1] [%clk 1:04:21] } 10. bxc3 { [%eval 0.0] [%clk 1:12:52] } 10... Na5 { [%eval 0.06] [%clk 1:03:51] } 11. Nd2 { [%eval 0.0] [%clk 0:48:42] } 11... Bd7 { [%eval 0.02] [%clk 1:01:29] } 12. Rb1 { [%eval -0.48] [%clk 0:44:30] } 12... a6 { [%eval -0.53] [%clk 0:58:08] } 13. f4 { [%eval -1.03] [%clk 0:37:51] } 13... c5 { [%eval -0.61] [%clk 0:49:35] } 14. Ne4 { [%eval -0.46] [%clk 0:34:18] } 14... cxd4 { [%eval -0.19] [%clk 0:46:43] } 15. exd4 { [%eval -0.29] [%clk 0:34:42] } 15... Rb8?! { [%eval 0.53] } { Inaccuracy. b5 was best. } { [%clk 0:39:52] } 16. g4 { [%eval 0.3] [%clk 0:34:09] } 16... f5?! { [%eval 1.17] } { Inaccuracy. b5 was best. } { [%clk 0:33:27] } 17. Ng5 { [%eval 1.17] [%clk 0:23:42] } 17... Bxg5?! { [%eval 2.25] } { Inaccuracy. Bd6 was best. } { [%clk 0:17:33] } 18. fxg5 { [%eval 2.01] [%clk 0:23:47] } 18... fxg4 { [%eval 2.41] [%clk 0:17:30] } 19. Rxf8+?? { [%eval 0.4] } { Blunder. Ba3 was best. } { [%clk 0:08:45] } 19... Qxf8 { [%eval 0.51] [%clk 0:17:22] } 20. Qxg4 { [%eval 0.42] [%clk 0:09:04] } 20... Qf7?! { [%eval 1.22] } { Inaccuracy. Re8 was best. } { [%clk 0:12:47] } 21. Qg3?! { [%eval 0.37] } { Inaccuracy. Ba3 was best. } { [%clk 0:07:29] } 21... Re8 { [%eval 0.3] [%clk 0:10:54] } 22. Ba3 { [%eval 0.3] [%clk 0:06:17] } 22... Bc6 { [%eval 0.47] [%clk 0:09:31] } 23. Rf1 { [%eval 0.55] [%clk 0:06:34] } 23... Qg6?? { [%eval 3.17] } { Blunder. Qh5 was best. } { [%clk 0:09:23] } 24. Qd6 { [%eval 3.52] [%clk 0:06:05] } 24... h6?! { [%eval 4.45] } { Inaccuracy. h5 was best. } { [%clk 0:09:44] } 25. d5 { [%eval 4.23] [%clk 0:06:06] } 25... Bb5 { [%eval 5.12] [%clk 0:06:48] } 26. gxh6 { [%eval 4.94] [%clk 0:04:24] } 26... gxh6 { [%eval 5.61] [%clk 0:04:34] } 27. Kh1 { [%eval 5.58] [%clk 0:04:04] } 27... Kh8 { [%eval 7.17] [%clk 0:02:17] } 28. Bc5 { [%eval 6.53] [%clk 0:03:48] } 28... Qg7 { [%eval 6.84] [%clk 0:02:11] } 29. Bd4 { [%eval 6.61] [%clk 0:02:00] } 29... e5 { [%eval 8.01] [%clk 0:02:38] } 30. Be3 { [%eval 7.77] [%clk 0:02:22] } 30... h5? { [%eval #7] } { Checkmate is now unavoidable. Nc6 was best. } { [%clk 0:01:28] } 31. Be4 { [%eval #6] [%clk 0:01:57] } 31... Nc6 { [%eval #6] [%clk 0:01:28] } 32. Rg1 { [%eval #12] [%clk 0:01:59] } 32... Ne7 { [%eval #5] [%clk 0:01:37] } 33. Rxg7 { [%eval #4] [%clk 0:02:19] } 33... Kxg7 { [%eval #4] [%clk 0:02:02] } 34. Qxe5+ { [%eval #4] [%clk 0:02:32] } 34... Kf7 { [%eval #4] [%clk 0:02:21] } 35. Qe6+ { [%eval #3] [%clk 0:02:55] } 1-0