Event: Sakthi Group 34th Tamil Nadu IM Norm Closed Circuit Chess Tournament - Chennai
Site: https://lichess.org/broadcast/tamil-nadu-im-norm-closed-circuit--34th/round-7/cgnJKhnk/3XI3aWRQ
Date: 2025-11-02
White: Otero Acosta, Diasmany
WhiteTitle: IM
WhiteElo: 2306
Black: Oblitas, Carlomagno
BlackTitle: IM
BlackElo: 2321
Result: 1-0
ECO: D11
Opening: Slav Defense: Quiet Variation, Pin Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:50] } 1... d5 { [%eval 0.18] [%clk 1:30:50] } 2. c4 { [%eval 0.18] [%clk 1:31:10] } 2... c6 { [%eval 0.21] [%clk 1:31:14] } 3. Nf3 { [%eval 0.2] [%clk 1:31:32] } 3... Nf6 { [%eval 0.24] [%clk 1:31:37] } 4. e3 { [%eval 0.15] [%clk 1:31:55] } 4... Bg4 { [%eval 0.21] [%clk 1:31:29] } 5. Nc3 { [%eval 0.35] [%clk 1:32:08] } 5... e6 { [%eval 0.32] [%clk 1:31:52] } 6. h3 { [%eval 0.17] [%clk 1:32:29] } 6... Bh5 { [%eval 0.33] [%clk 1:32:16] } 7. g4 { [%eval 0.26] [%clk 1:32:39] } 7... Bg6 { [%eval 0.36] [%clk 1:32:40] } 8. Ne5 { [%eval 0.39] [%clk 1:33:04] } 8... Nbd7 { [%eval 0.29] [%clk 1:33:03] } 9. Nxg6 { [%eval 0.3] [%clk 1:33:26] } 9... hxg6 { [%eval 0.26] [%clk 1:33:26] } 10. Bg2 { [%eval -0.26] [%clk 1:33:34] } 10... dxc4 { [%eval -0.21] [%clk 1:33:42] } 11. Qe2 { [%eval -0.31] [%clk 1:33:35] } 11... Nb6 { [%eval -0.28] [%clk 1:34:05] } 12. a4 { [%eval -0.59] [%clk 1:32:10] } 12... a5 { [%eval -0.66] [%clk 1:34:09] } 13. O-O { [%eval -0.71] [%clk 1:32:31] } 13... Nfd5 { [%eval -0.41] [%clk 1:32:27] } 14. e4 { [%eval -0.55] [%clk 1:30:56] } 14... Nb4 { [%eval -0.35] [%clk 1:32:47] } 15. Be3 { [%eval -0.43] [%clk 1:31:13] } 15... Nd3 { [%eval -0.24] [%clk 1:31:33] } 16. b3 { [%eval -0.31] [%clk 0:49:02] } 16... Bb4 { [%eval -0.36] [%clk 1:26:36] } 17. bxc4 { [%eval -0.3] [%clk 0:32:50] } 17... Bxc3 { [%eval -0.26] [%clk 1:26:06] } 18. Qxd3 { [%eval -0.2] [%clk 0:31:02] } 18... Bxa1 { [%eval -0.2] [%clk 1:26:28] } 19. Rxa1 { [%eval -0.19] [%clk 0:31:31] } 19... O-O { [%eval -0.21] [%clk 1:24:04] } 20. Qb3 { [%eval -0.6] [%clk 0:30:53] } 20... Nc8?! { [%eval 0.37] } { Inaccuracy. c5 was best. } { [%clk 1:23:56] } 21. Qxb7 { [%eval 0.0] [%clk 0:28:24] } 21... Nd6 { [%eval 0.0] [%clk 1:24:14] } 22. Qb3 { [%eval 0.0] [%clk 0:27:17] } 22... Rb8 { [%eval 0.0] [%clk 1:24:29] } 23. Qc2?! { [%eval -0.71] } { Inaccuracy. Qa2 was best. } { [%clk 0:27:38] } 23... Rb4 { [%eval -0.77] [%clk 1:23:49] } 24. Bf1 { [%eval -0.61] [%clk 0:27:52] } 24... Qb8?! { [%eval 0.0] } { Inaccuracy. f5 was best. } { [%clk 1:22:54] } 25. Bf4 { [%eval 0.1] [%clk 0:24:36] } 25... g5 { [%eval 0.15] [%clk 1:17:32] } 26. Bg3 { [%eval 0.0] [%clk 0:24:55] } 26... Rb2 { [%eval -0.02] [%clk 1:13:48] } 27. Qc1 { [%eval 0.0] [%clk 0:24:14] } 27... Rb3 { [%eval 0.0] [%clk 1:14:02] } 28. Qe1 { [%eval 0.0] [%clk 0:18:34] } 28... Rd8 { [%eval 0.49] [%clk 0:58:37] } 29. c5 { [%eval 0.47] [%clk 0:16:29] } 29... Rxg3+ { [%eval 0.55] [%clk 0:58:57] } 30. fxg3 { [%eval 0.51] [%clk 0:16:57] } 30... Ne8 { [%eval 0.55] [%clk 0:59:18] } 31. Rb1 { [%eval 0.7] [%clk 0:14:08] } 31... Qc7 { [%eval 1.07] [%clk 0:59:38] } 32. Qc3 { [%eval 1.04] [%clk 0:13:24] } 32... Rb8 { [%eval 0.96] [%clk 0:44:52] } 33. Rxb8 { [%eval 0.8] [%clk 0:12:37] } 33... Qxb8 { [%eval 0.9] [%clk 0:44:49] } 34. Kh2 { [%eval 0.94] [%clk 0:12:37] } 34... Nf6 { [%eval 0.99] [%clk 0:13:24] } 35. Bg2 { [%eval 1.2] [%clk 0:13:01] } 35... e5?? { [%eval 4.67] } { Blunder. Qc7 was best. } { [%clk 0:13:38] } 36. d5 { [%eval 4.74] [%clk 0:11:42] } 36... Qb4?! { [%eval 6.94] } { Inaccuracy. Qa7 was best. } { [%clk 0:13:03] } 37. Qxb4 { [%eval 7.08] [%clk 0:07:19] } 37... axb4 { [%eval 6.97] [%clk 0:13:28] } 38. a5 { [%eval 7.06] [%clk 0:07:45] } 38... b3 { [%eval 7.18] [%clk 0:13:27] } 39. a6 { [%eval 7.47] [%clk 0:07:10] } 39... b2 { [%eval 7.4] [%clk 0:13:51] } 40. a7 { [%eval 7.53] [%clk 0:07:35] } 40... b1=Q? { [%eval #16] } { Checkmate is now unavoidable. Kh7 was best. } { [%clk 0:14:14] } 41. a8=Q+ { [%eval 10.91] [%clk 0:07:59] } 41... Kh7 { [%eval 8.21] [%clk 0:14:38] } 42. dxc6 { [%eval 8.56] [%clk 0:07:48] } 1-0