Event: Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025
Site: https://lichess.org/broadcast/chennai-grand-masters-2025--challengers/round-4/b0JpybKT/RqHkPHxO
White: Iniyan, Pa
WhiteTitle: GM
WhiteElo: 2586
Black: Aryan Chopra
BlackTitle: GM
BlackElo: 2634
Result: 1-0
ECO: E15
Opening: Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move

1. d4 { [%eval 0.17] [%clk 1:30:28] } 1... Nf6 { [%eval 0.19] [%clk 1:30:40] } 2. c4 { [%eval 0.18] [%clk 1:30:48] } 2... e6 { [%eval 0.14] [%clk 1:31:06] } 3. Nf3 { [%eval 0.11] [%clk 1:30:51] } 3... b6 { [%eval 0.23] [%clk 1:31:28] } 4. g3 { [%eval 0.19] [%clk 1:30:06] } 4... Ba6 { [%eval 0.17] [%clk 1:31:50] } 5. Qc2 { [%eval 0.13] [%clk 1:30:03] } 5... c5 { [%eval 0.19] [%clk 1:31:59] } 6. Bg2 { [%eval 0.06] [%clk 1:30:09] } 6... Bb7 { [%eval 0.34] [%clk 1:31:55] } 7. dxc5 { [%eval 0.26] [%clk 1:28:48] } 7... Bxc5 { [%eval 0.36] [%clk 1:27:15] } 8. Nc3 { [%eval 0.3] [%clk 1:28:56] } 8... Nc6 { [%eval 0.31] [%clk 1:25:57] } 9. O-O { [%eval 0.32] [%clk 1:29:07] } 9... O-O { [%eval 0.34] [%clk 1:26:21] } 10. Rd1 { [%eval 0.18] [%clk 1:27:24] } 10... h6 { [%eval 0.31] [%clk 1:25:14] } 11. a3 { [%eval 0.31] [%clk 1:23:48] } 11... Re8 { [%eval 0.64] [%clk 1:15:40] } 12. b4 { [%eval 0.68] [%clk 1:14:09] } 12... Bf8 { [%eval 0.6] [%clk 1:15:49] } 13. e4 { [%eval 0.36] [%clk 1:14:16] } 13... e5?! { [%eval 1.26] } { Inaccuracy. Qb8 was best. } { [%clk 1:07:54] } 14. Nd5 { [%eval 1.04] [%clk 1:05:01] } 14... d6 { [%eval 1.06] [%clk 1:02:08] } 15. Nc3 { [%eval 0.96] [%clk 0:55:52] } 15... Bc8 { [%eval 0.99] [%clk 0:46:07] } 16. Qd3 { [%eval 1.02] [%clk 0:50:31] } 16... a6 { [%eval 1.32] [%clk 0:40:35] } 17. Be3 { [%eval 1.33] [%clk 0:45:04] } 17... Ng4 { [%eval 1.25] [%clk 0:39:21] } 18. Bd2 { [%eval 1.33] [%clk 0:44:17] } 18... Nf6 { [%eval 1.25] [%clk 0:37:11] } 19. h3 { [%eval 1.35] [%clk 0:41:29] } 19... Bd7 { [%eval 1.32] [%clk 0:29:42] } 20. Be3 { [%eval 1.38] [%clk 0:40:37] } 20... Rb8 { [%eval 1.34] [%clk 0:29:21] } 21. Kh2 { [%eval 1.39] [%clk 0:33:58] } 21... Qc8 { [%eval 1.52] [%clk 0:25:06] } 22. Rac1 { [%eval 1.48] [%clk 0:27:59] } 22... Qb7 { [%eval 1.68] [%clk 0:24:48] } 23. Nh4 { [%eval 1.73] [%clk 0:28:09] } 23... Ne7 { [%eval 1.87] [%clk 0:19:42] } 24. f4 { [%eval 1.83] [%clk 0:25:27] } 24... Rbd8 { [%eval 1.71] [%clk 0:14:48] } 25. Qf1 { [%eval 1.65] [%clk 0:22:38] } 25... b5?! { [%eval 2.4] } { Inaccuracy. Bc6 was best. } { [%clk 0:08:46] } 26. Rxd6 { [%eval 2.35] [%clk 0:15:46] } 26... exf4 { [%eval 2.66] [%clk 0:07:37] } 27. Bxf4 { [%eval 2.06] [%clk 0:13:03] } 27... Nh5 { [%eval 2.07] [%clk 0:05:41] } 28. e5 { [%eval 2.36] [%clk 0:11:11] } 28... Bc6 { [%eval 2.2] [%clk 0:03:48] } 29. Nd5?? { [%eval -0.01] } { Blunder. Qd1 was best. } { [%clk 0:09:55] } 29... Bxd5?? { [%eval 3.58] } { Blunder. Rxd6 was best. } { [%clk 0:01:34] } 30. cxd5 { [%eval 3.49] [%clk 0:09:49] } 30... Nxf4 { [%eval 4.02] [%clk 0:01:55] } 31. Qxf4 { [%eval 4.2] [%clk 0:07:01] } 31... g5 { [%eval 4.65] [%clk 0:01:01] } 32. Qg4 { [%eval 4.41] [%clk 0:07:23] } 32... Rc8 { [%eval 4.23] [%clk 0:00:34] } 33. Rd7 { [%eval 4.07] [%clk 0:06:21] } 33... Qb6 { [%eval 4.69] [%clk 0:00:55] } 34. Rxc8 { [%eval 4.61] [%clk 0:06:19] } 34... Rxc8 { [%eval 5.48] [%clk 0:01:24] } 35. d6 { [%eval 5.3] [%clk 0:05:46] } 35... Rc1?! { [%eval 6.87] } { Inaccuracy. Rc4 was best. } { [%clk 0:00:33] } 36. Nf3 { [%eval 6.86] [%clk 0:06:10] } 36... Ng6 { [%eval 9.36] [%clk 0:00:38] } 37. Qf5 { [%eval 8.25] [%clk 0:06:22] } 37... Nh8 { [%eval 10.77] [%clk 0:01:05] } 38. e6 { [%eval 8.65] [%clk 0:06:27] } 38... Bxd6 { [%eval 6.12] [%clk 0:01:04] } 39. exf7+ { [%eval 6.12] [%clk 0:06:45] } 39... Kf8 { [%eval 5.96] [%clk 0:01:33] } 40. Qh7 { [%eval 5.9] [%clk 0:07:02] } 40... Bxg3+ { [%eval 6.21] [%clk 0:01:52] } 41. Kxg3 { [%eval 6.16] [%clk 0:07:29] } 41... Qb8+ { [%eval 6.25] [%clk 0:02:17] } 42. Kf2 { [%eval 6.12] [%clk 0:07:45] } 42... Qb6+ { [%eval 6.13] [%clk 0:01:59] } 43. Nd4 { [%eval 6.24] [%clk 0:07:02] } 43... Qf6+ { [%eval 5.92] [%clk 0:02:16] } 44. Qf5 { [%eval 6.29] [%clk 0:07:16] } 44... Rc2+ { [%eval 6.05] [%clk 0:02:39] } 45. Kg1 { [%eval 6.0] [%clk 0:07:30] } 1-0