Event: Quantbox Chennai Grandmasters Chess Tournament -Challengers 2025
Site: https://lichess.org/broadcast/chennai-grand-masters-2025--challengers/round-4/b0JpybKT/VdAQJQP8
White: Mendonca, Leon Luke
WhiteTitle: GM
WhiteElo: 2606
Black: Dronavalli, Harika
BlackTitle: GM
BlackElo: 2487
Result: 1-0
ECO: B30
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack
Variant: Standard
TimeControl: 90 minutes + 30 seconds per move

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.24] [%clk 1:30:40] } 2. Nf3 { [%eval 0.2] [%clk 1:31:18] } 2... Nc6 { [%eval 0.3] [%clk 1:31:02] } 3. Bb5 { [%eval 0.17] [%clk 1:31:34] } 3... Nf6 { [%eval 0.24] [%clk 1:30:58] } 4. Bxc6 { [%eval 0.3] [%clk 1:31:08] } 4... dxc6 { [%eval 0.28] [%clk 1:31:18] } 5. d3 { [%eval 0.33] [%clk 1:31:34] } 5... Qc7 { [%eval 0.37] [%clk 1:31:26] } 6. a4 { [%eval 0.36] [%clk 1:31:05] } 6... e5 { [%eval 0.37] [%clk 1:29:58] } 7. Nbd2 { [%eval 0.29] [%clk 1:28:24] } 7... Be6 { [%eval 0.34] [%clk 1:27:34] } 8. O-O { [%eval 0.0] [%clk 1:28:25] } 8... Be7 { [%eval 0.36] [%clk 1:26:46] } 9. Ng5 { [%eval -0.11] [%clk 1:22:29] } 9... Bg4 { [%eval -0.08] [%clk 1:25:22] } 10. f3 { [%eval -0.36] [%clk 1:22:44] } 10... Bh5?! { [%eval 0.28] } { Inaccuracy. Bd7 was best. } { [%clk 1:20:35] } 11. Nc4 { [%eval 0.39] [%clk 1:21:32] } 11... h6 { [%eval 0.45] [%clk 1:18:14] } 12. Nh3 { [%eval 0.31] [%clk 1:21:51] } 12... g5 { [%eval 0.49] [%clk 1:15:53] } 13. Nf2 { [%eval 0.55] [%clk 1:18:10] } 13... Nd7 { [%eval 0.59] [%clk 1:12:41] } 14. Ng4 { [%eval 0.38] [%clk 1:09:41] } 14... f6 { [%eval 0.52] [%clk 1:09:08] } 15. Nge3 { [%eval 0.41] [%clk 1:07:55] } 15... Bg6 { [%eval 0.6] [%clk 1:06:47] } 16. Bd2 { [%eval 0.34] [%clk 1:04:05] } 16... b6 { [%eval 0.38] [%clk 0:54:26] } 17. Qe1 { [%eval 0.31] [%clk 1:02:45] } 17... a5 { [%eval 0.67] [%clk 0:53:37] } 18. g3 { [%eval 0.66] [%clk 0:58:00] } 18... Rg8 { [%eval 0.9] [%clk 0:42:08] } 19. Kh1 { [%eval 0.9] [%clk 0:58:05] } 19... Bf8 { [%eval 1.0] [%clk 0:38:31] } 20. f4 { [%eval 0.93] [%clk 0:55:13] } 20... exf4 { [%eval 0.96] [%clk 0:38:32] } 21. gxf4 { [%eval 0.98] [%clk 0:55:24] } 21... O-O-O { [%eval 1.13] [%clk 0:38:31] } 22. Qg3 { [%eval 1.16] [%clk 0:47:46] } 22... Kb7 { [%eval 1.48] [%clk 0:25:02] } 23. Bc3 { [%eval 1.4] [%clk 0:45:16] } 23... Be7 { [%eval 1.48] [%clk 0:20:20] } 24. fxg5 { [%eval 1.52] [%clk 0:32:45] } 24... hxg5 { [%eval 1.44] [%clk 0:18:51] } 25. Rf2?! { [%eval 0.7] } { Inaccuracy. Nf5 was best. } { [%clk 0:26:09] } 25... Rdf8 { [%eval 0.96] [%clk 0:13:26] } 26. Raf1 { [%eval 0.8] [%clk 0:25:16] } 26... Qxg3 { [%eval 0.82] [%clk 0:10:34] } 27. hxg3 { [%eval 0.66] [%clk 0:25:44] } 27... Rh8+ { [%eval 0.83] [%clk 0:08:17] } 28. Kg2 { [%eval 0.92] [%clk 0:22:18] } 28... Rh7 { [%eval 0.88] [%clk 0:08:34] } 29. Ng4 { [%eval 0.92] [%clk 0:13:23] } 29... Rfh8 { [%eval 0.8] [%clk 0:07:59] } 30. Nce3 { [%eval 0.85] [%clk 0:13:43] } 30... Bd8 { [%eval 0.9] [%clk 0:06:37] } 31. b3 { [%eval 0.93] [%clk 0:12:59] } 31... Ka6 { [%eval 0.91] [%clk 0:05:40] } 32. Rg1 { [%eval 0.93] [%clk 0:11:23] } 32... Rf8 { [%eval 0.9] [%clk 0:03:20] } 33. Ra1 { [%eval 0.97] [%clk 0:10:58] } 33... Rfh8 { [%eval 0.84] [%clk 0:02:40] } 34. Raf1 { [%eval 0.91] [%clk 0:11:21] } 34... Be8 { [%eval 0.89] [%clk 0:02:09] } 35. Rg1 { [%eval 0.85] [%clk 0:11:23] } 35... Rf8 { [%eval 0.86] [%clk 0:02:10] } 36. Rff1 { [%eval 0.89] [%clk 0:10:32] } 36... Bg6 { [%eval 1.06] [%clk 0:01:36] } 37. Rf3 { [%eval 0.86] [%clk 0:09:17] } 37... Bh5 { [%eval 1.06] [%clk 0:01:18] } 38. Rf2 { [%eval 0.84] [%clk 0:09:28] } 38... Bg6 { [%eval 0.87] [%clk 0:01:20] } 39. Rff1 { [%eval 0.87] [%clk 0:09:11] } 39... Rfh8 { [%eval 0.82] [%clk 0:01:28] } 40. Kf2 { [%eval 0.75] [%clk 0:08:40] } 40... Rf7 { [%eval 0.84] [%clk 0:01:07] } 41. Ke2 { [%eval 0.9] [%clk 0:08:57] } 41... Rh3 { [%eval 0.89] [%clk 0:01:08] } 42. Rh1 { [%eval 0.91] [%clk 0:08:46] } 42... Rfh7?! { [%eval 1.85] } { Inaccuracy. Rxh1 was best. } { [%clk 0:01:12] } 43. Rxh3 { [%eval 2.07] [%clk 0:06:46] } 43... Rxh3 { [%eval 2.03] [%clk 0:01:38] } 44. Nxf6 { [%eval 2.02] [%clk 0:06:48] } 44... Bxf6 { [%eval 1.9] [%clk 0:01:10] } 45. Bxf6 { [%eval 1.89] [%clk 0:07:16] } 45... Rxg3 { [%eval 2.0] [%clk 0:01:09] } 46. Bd8? { [%eval 0.71] } { Mistake. Kf2 was best. } { [%clk 0:07:20] } 46... g4?! { [%eval 1.64] } { Inaccuracy. Bh5+ was best. } { [%clk 0:00:54] } 47. Kd2 { [%eval 1.15] [%clk 0:07:20] } 47... Bh5? { [%eval 2.39] } { Mistake. Kb7 was best. } { [%clk 0:00:42] } 48. Rf5 { [%eval 2.42] [%clk 0:07:28] } 48... Rh3 { [%eval 2.51] [%clk 0:01:06] } 49. Bc7 { [%eval 2.59] [%clk 0:07:18] } 49... Kb7 { [%eval 2.75] [%clk 0:00:49] } 50. Bd6 { [%eval 2.59] [%clk 0:07:38] } 50... b5?! { [%eval 3.33] } { Inaccuracy. Be8 was best. } { [%clk 0:00:58] } 51. Rg5 { [%eval 3.38] [%clk 0:06:37] } 51... c4 { [%eval 3.88] [%clk 0:00:58] } 52. bxc4 { [%eval 3.81] [%clk 0:06:25] } 52... bxa4 { [%eval 3.95] [%clk 0:01:15] } 53. Rg7 { [%eval 3.96] [%clk 0:05:13] } 53... Kc8 { [%eval 4.0] [%clk 0:01:05] } 54. Nxg4 { [%eval 3.93] [%clk 0:05:15] } 54... c5 { [%eval 4.73] [%clk 0:01:11] } 55. Ne5 { [%eval 4.38] [%clk 0:04:48] } 55... Nxe5 { [%eval 4.73] [%clk 0:00:37] } 56. Bxe5 { [%eval 4.54] [%clk 0:05:16] } 56... Kd8 { [%eval 4.81] [%clk 0:00:32] } 57. Ra7 { [%eval 4.81] [%clk 0:05:24] } 57... Rh1 { [%eval 4.9] [%clk 0:00:43] } 58. Rxa5 { [%eval 4.9] [%clk 0:05:46] } 58... Be8 { [%eval 4.95] [%clk 0:00:51] } 59. Rxc5 { [%eval 4.81] [%clk 0:06:02] } 1-0