Event: Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025
Site: https://lichess.org/broadcast/chennai-grand-masters-2025--challengers/round-1/FVceXKyT/KVQeZZaj
White: Mendonca, Leon Luke
WhiteTitle: GM
WhiteElo: 2606
Black: Harshavardhan G B
BlackTitle: IM
BlackElo: 2454
Result: 1-0
ECO: A77
Opening: Benoni Defense: Classical Variation, Czerniak Defense, Tal Line
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... Nf6 { [%eval 0.19] [%clk 1:30:14] } 2. c4 { [%eval 0.18] [%clk 1:31:17] } 2... c5 { [%eval 0.56] [%clk 1:30:14] } 3. d5 { [%eval 0.47] [%clk 1:31:40] } 3... e6 { [%eval 0.57] [%clk 1:30:36] } 4. Nc3 { [%eval 0.48] [%clk 1:32:06] } 4... exd5 { [%eval 0.75] [%clk 1:30:56] } 5. cxd5 { [%eval 0.74] [%clk 1:32:30] } 5... d6 { [%eval 0.61] [%clk 1:31:20] } 6. Nf3 { [%eval 0.51] [%clk 1:32:11] } 6... g6 { [%eval 0.66] [%clk 1:31:42] } 7. Nd2 { [%eval 0.63] [%clk 1:31:32] } 7... Bg7 { [%eval 0.56] [%clk 1:32:04] } 8. e4 { [%eval 0.73] [%clk 1:31:58] } 8... O-O { [%eval 0.8] [%clk 1:32:26] } 9. Be2 { [%eval 0.74] [%clk 1:32:26] } 9... Re8 { [%eval 0.78] [%clk 1:32:48] } 10. O-O { [%eval 0.78] [%clk 1:32:47] } 10... Nbd7 { [%eval 0.89] [%clk 1:33:10] } 11. a4 { [%eval 0.9] [%clk 1:32:01] } 11... Ne5 { [%eval 0.94] [%clk 1:33:34] } 12. Ndb1 { [%eval 0.96] [%clk 1:28:35] } 12... a6 { [%eval 1.04] [%clk 1:33:02] } 13. h3 { [%eval 1.13] [%clk 1:10:00] } 13... c4 { [%eval 1.06] [%clk 1:17:04] } 14. Be3 { [%eval 1.01] [%clk 1:08:48] } 14... Bd7 { [%eval 0.97] [%clk 1:15:46] } 15. a5 { [%eval 1.01] [%clk 1:03:56] } 15... Rc8 { [%eval 1.07] [%clk 1:08:42] } 16. Nd2 { [%eval 1.08] [%clk 1:03:28] } 16... Nd3 { [%eval 1.34] [%clk 0:58:02] } 17. Qb1 { [%eval 1.43] [%clk 0:44:49] } 17... Nc5 { [%eval 1.81] [%clk 0:48:02] } 18. Bxc4 { [%eval 1.76] [%clk 0:43:04] } 18... Qe7 { [%eval 1.72] [%clk 0:43:54] } 19. f3?! { [%eval 1.1] } { Inaccuracy. Bd3 was best. } { [%clk 0:36:40] } 19... Nh5 { [%eval 1.29] [%clk 0:42:40] } 20. Ra3 { [%eval 1.39] [%clk 0:34:51] } 20... Be5 { [%eval 1.56] [%clk 0:20:26] } 21. Ne2 { [%eval 1.77] [%clk 0:29:54] } 21... Qh4 { [%eval 2.29] [%clk 0:16:10] } 22. b4 { [%eval 2.03] [%clk 0:23:10] } 22... Na4 { [%eval 2.28] [%clk 0:14:46] } 23. f4 { [%eval 2.23] [%clk 0:22:39] } 23... Bg7 { [%eval 1.9] [%clk 0:14:40] } 24. Bf2?! { [%eval 1.14] } { Inaccuracy. b5 was best. } { [%clk 0:19:11] } 24... Qd8 { [%eval 0.9] [%clk 0:14:06] } 25. Rb3 { [%eval 0.72] [%clk 0:13:20] } 25... f5 { [%eval 0.87] [%clk 0:07:56] } 26. Bd4?! { [%eval -0.18] } { Inaccuracy. e5 was best. } { [%clk 0:06:33] } 26... Bxd4+ { [%eval -0.1] [%clk 0:02:14] } 27. Nxd4 { [%eval -0.22] [%clk 0:07:02] } 27... Rxc4?! { [%eval 0.77] } { Inaccuracy. b5 was best. } { [%clk 0:02:24] } 28. Nxc4 { [%eval 0.88] [%clk 0:07:25] } 28... Rxe4 { [%eval 0.63] [%clk 0:02:48] } 29. Ne6?! { [%eval 0.0] } { Inaccuracy. Rd3 was best. } { [%clk 0:04:12] } 29... Bxe6 { [%eval 0.0] [%clk 0:02:18] } 30. dxe6 { [%eval 0.13] [%clk 0:04:38] } 30... Rxc4 { [%eval 0.15] [%clk 0:02:42] } 31. Re3 { [%eval 0.0] [%clk 0:04:03] } 31... Qe8? { [%eval 1.67] } { Mistake. Qc8 was best. } { [%clk 0:01:40] } 32. Rc1 { [%eval 1.39] [%clk 0:01:56] } 32... d5?! { [%eval 2.06] } { Inaccuracy. Rxc1+ was best. } { [%clk 0:01:16] } 33. Rxc4 { [%eval 1.7] [%clk 0:02:01] } 33... dxc4 { [%eval 1.59] [%clk 0:01:42] } 34. Qa2? { [%eval 0.22] } { Mistake. Qd1 was best. } { [%clk 0:01:01] } 34... Qc6?? { [%eval 3.63] } { Blunder. b5 was best. } { [%clk 0:00:42] } 35. Qd2 { [%eval 3.57] [%clk 0:01:20] } 35... Ng7 { [%eval 4.18] [%clk 0:00:46] } 36. Qd7 { [%eval 4.59] [%clk 0:01:23] } 36... h6 { [%eval 5.14] [%clk 0:00:36] } 37. Qf7+ { [%eval 5.04] [%clk 0:01:48] } 37... Kh7 { [%eval 5.14] [%clk 0:01:02] } 38. e7 { [%eval 5.11] [%clk 0:01:35] } 38... Qe8 { [%eval 4.8] [%clk 0:01:28] } 39. Qxc4 { [%eval 4.77] [%clk 0:02:02] } 39... g5 { [%eval 5.42] [%clk 0:01:34] } 40. Qd4 { [%eval 5.29] [%clk 0:01:42] } 40... Nh5 { [%eval 6.23] [%clk 0:00:48] } 41. fxg5 { [%eval 6.08] [%clk 0:01:47] } 41... hxg5 { [%eval 5.98] [%clk 0:01:12] } 42. Qe5 { [%eval 5.85] [%clk 0:01:37] } 42... Kg6 { [%eval 7.42] [%clk 0:00:38] } 43. Qd6+ { [%eval 6.6] [%clk 0:01:44] } 43... Kg7 { [%eval 7.76] [%clk 0:00:50] } 44. Re6 { [%eval 8.3] [%clk 0:01:38] } 44... Nf4? { [%eval #18] } { Checkmate is now unavoidable. b5 was best. } { [%clk 0:00:31] } 45. Qe5+ { [%eval #17] [%clk 0:02:02] } 45... Kg8 { [%eval #8] [%clk 0:00:52] } 46. Rh6 { [%eval #7] [%clk 0:01:58] } 46... Ng6 { [%eval #4] [%clk 0:01:08] } 47. Rxg6+ { [%eval #18] [%clk 0:02:23] } 1-0