Event: Round 7: Mendonca, Leon Luke - Donchenko, Alexander
Date: 2025-06-12
White: Mendonca, Leon Luke
WhiteTitle: GM
WhiteElo: 2477
Black: Donchenko, Alexander
BlackTitle: GM
BlackElo: 2561
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard
TimeControl: 15+10

1. Nf3 { [%eval 0.1] [%clk 0:15:17] } 1... c5 { [%eval 0.25] [%clk 0:15:04] } 2. e3 { [%eval 0.06] [%clk 0:15:22] } 2... Nf6 { [%eval 0.07] [%clk 0:14:53] } 3. d4 { [%eval 0.0] [%clk 0:15:23] } 3... g6 { [%eval 0.31] [%clk 0:14:07] } 4. Be2 { [%eval 0.15] [%clk 0:14:04] } 4... Bg7 { [%eval 0.23] [%clk 0:13:53] } 5. O-O { [%eval 0.09] [%clk 0:14:12] } 5... O-O { [%eval 0.07] [%clk 0:13:21] } 6. Nc3 { [%eval 0.0] [%clk 0:14:07] } 6... cxd4 { [%eval 0.0] [%clk 0:13:07] } 7. exd4 { [%eval 0.0] [%clk 0:14:16] } 7... d5 { [%eval 0.0] [%clk 0:13:13] } 8. Ne5 { [%eval 0.08] [%clk 0:13:07] } 8... Nc6 { [%eval 0.08] [%clk 0:13:04] } 9. Re1 { [%eval 0.12] [%clk 0:11:44] } 9... Bf5 { [%eval 0.08] [%clk 0:12:38] } 10. Bf4 { [%eval 0.12] [%clk 0:10:01] } 10... Rc8 { [%eval 0.01] [%clk 0:12:03] } 11. Bf3 { [%eval -0.06] [%clk 0:09:14] } 11... a6 { [%eval 0.13] [%clk 0:11:16] } 12. a3 { [%eval 0.0] [%clk 0:07:59] } 12... b5 { [%eval 0.12] [%clk 0:10:53] } 13. h3 { [%eval 0.16] [%clk 0:06:49] } 13... Be6 { [%eval 0.43] [%clk 0:09:49] } 14. Qd2 { [%eval 0.24] [%clk 0:06:27] } 14... Qb6 { [%eval 0.23] [%clk 0:09:08] } 15. Nxc6 { [%eval 0.26] [%clk 0:05:19] } 15... Qxc6 { [%eval 0.26] [%clk 0:09:06] } 16. Be5 { [%eval 0.2] [%clk 0:05:09] } 16... Rfd8 { [%eval 0.17] [%clk 0:08:09] } 17. Rac1 { [%eval 0.21] [%clk 0:05:09] } 17... Bf5 { [%eval 0.55] [%clk 0:06:17] } 18. Ne2 { [%eval 0.32] [%clk 0:02:53] } 18... Be4 { [%eval 0.34] [%clk 0:06:08] } 19. Bxf6? { [%eval -0.9] } { Mistake. Bg4 was best. } { [%clk 0:02:37] } 19... Qxf6 { [%eval -0.59] [%clk 0:05:08] } 20. Bxe4 { [%eval -0.61] [%clk 0:02:20] } 20... dxe4 { [%eval -0.65] [%clk 0:05:17] } 21. Qe3 { [%eval -0.7] [%clk 0:01:08] } 21... Qc6 { [%eval -0.56] [%clk 0:04:18] } 22. c3 { [%eval -0.6] [%clk 0:02:20] } 22... f5 { [%eval -0.44] [%clk 0:04:25] } 23. Rcd1 { [%eval -0.32] [%clk 0:02:03] } 23... Rd7 { [%eval -0.21] [%clk 0:04:01] } 24. f3 { [%eval -0.16] [%clk 0:01:34] } 24... exf3 { [%eval -0.15] [%clk 0:02:56] } 25. Qxf3 { [%eval -0.22] [%clk 0:01:13] } 25... Qxf3 { [%eval -0.19] [%clk 0:01:42] } 26. gxf3 { [%eval -0.24] [%clk 0:01:23] } 26... e5 { [%eval 0.0] [%clk 0:01:51] } 27. dxe5 { [%eval 0.0] [%clk 0:01:32] } 27... Rxd1 { [%eval 0.0] [%clk 0:01:59] } 28. Rxd1 { [%eval 0.0] [%clk 0:01:41] } 28... Bxe5 { [%eval 0.0] [%clk 0:02:08] } 29. Rd5 { [%eval -0.02] [%clk 0:01:44] } 29... Re8 { [%eval -0.02] [%clk 0:02:12] } 30. Kf2 { [%eval -0.08] [%clk 0:00:53] } 30... Kf7 { [%eval 0.0] [%clk 0:02:15] } 31. a4 { [%eval 0.0] [%clk 0:00:31] } 31... Ke6 { [%eval 0.0] [%clk 0:02:04] } 32. Rc5 { [%eval 0.0] [%clk 0:00:32] } 32... bxa4 { [%eval 0.0] [%clk 0:00:24] } 33. Rc6+ { [%eval 0.0] [%clk 0:00:41] } 33... Kd5 { [%eval 0.0] [%clk 0:00:16] } 34. Rxa6 { [%eval 0.0] [%clk 0:00:50] } 34... Rb8 { [%eval 0.0] [%clk 0:00:24] } 35. Ra5+ { [%eval 0.0] [%clk 0:00:55] } 35... Ke6 { [%eval 0.0] [%clk 0:00:33] } 36. Rxa4 { [%eval 0.0] [%clk 0:00:59] } 36... Rxb2 { [%eval 0.0] [%clk 0:00:41] } 37. Ke3 { [%eval 0.03] [%clk 0:01:08] } 37... Kf6 { [%eval 0.0] [%clk 0:00:39] } 38. Ra6+ { [%eval 0.0] [%clk 0:01:12] } 38... Kg7 { [%eval 0.0] [%clk 0:00:48] } 39. Re6 { [%eval 0.0] [%clk 0:01:06] } 39... Bf6 { [%eval 0.0] [%clk 0:00:47] } 40. Rc6 { [%eval 0.0] [%clk 0:01:08] } 40... Be5 { [%eval 0.0] [%clk 0:00:42] } 41. Rc5 { [%eval 0.0] [%clk 0:00:52] } 41... Bf6 { [%eval 0.0] [%clk 0:00:45] } 42. Rc7+ { [%eval 0.0] [%clk 0:00:44] } 42... Kh6 { [%eval 0.0] [%clk 0:00:54] } 43. c4 { [%eval -0.17] [%clk 0:00:42] } 43... Rb3+ { [%eval -0.02] [%clk 0:00:48] } 44. Kf2 { [%eval -0.01] [%clk 0:00:50] } 44... Bh4+ { [%eval 0.0] [%clk 0:00:31] } 45. Kg2 { [%eval -0.02] [%clk 0:00:57] } 45... Rb2 { [%eval 0.0] [%clk 0:00:26] } 46. Kf1 { [%eval -0.04] [%clk 0:01:06] } 46... Rb1+ { [%eval -0.03] [%clk 0:00:35] } 47. Kg2 { [%eval 0.0] [%clk 0:01:15] } 47... Rb2 { [%eval -0.02] [%clk 0:00:44] } 48. Kf1 { [%eval 0.0] [%clk 0:01:24] } 48... Rc2 { [%eval 0.0] [%clk 0:00:17] } 49. c5 { [%eval -0.08] [%clk 0:01:27] } 49... Bd8 { [%eval 0.0] [%clk 0:00:25] } 50. Rc8 { [%eval -0.02] [%clk 0:01:32] } 50... Bb6 { [%eval -0.05] [%clk 0:00:19] } 51. c6 { [%eval -0.56] [%clk 0:01:06] } 51... Kg5 { [%eval -0.62] [%clk 0:00:28] } 52. Ke1 { [%eval -1.1] [%clk 0:00:32] } 52... Kh4 { [%eval -1.2] [%clk 0:00:25] } 53. Kd1 { [%eval -1.36] [%clk 0:00:41] } 53... Rc5 { [%eval -1.18] [%clk 0:00:31] } 54. Kd2? { [%eval -2.67] } { Mistake. Nf4 was best. } { [%clk 0:00:19] } 54... Kxh3 { [%eval -2.69] [%clk 0:00:30] } 55. Kd3 { [%eval -2.97] [%clk 0:00:28] } 55... Kg2 { [%eval -2.92] [%clk 0:00:33] } 56. f4? { [%eval -5.16] } { Mistake. Nf4+ was best. } { [%clk 0:00:17] } 56... h5 { [%eval -5.08] [%clk 0:00:37] } 57. Nc3 { [%eval -4.98] [%clk 0:00:22] } 57... Ba5 { [%eval -4.99] [%clk 0:00:34] } 58. Na4 { [%eval -4.43] [%clk 0:00:31] } 58... Rc1 { [%eval -4.59] [%clk 0:00:36] } 59. Nb2 { [%eval -4.54] [%clk 0:00:40] } 59... Kf3 { [%eval -4.0] [%clk 0:00:14] } 60. Nc4?! { [%eval -6.19] } { Inaccuracy. Ra8 was best. } { [%clk 0:00:46] } 60... Rc3+?? { [%eval 2.21] } { Blunder. Rd1+ was best. } { [%clk 0:00:13] } 61. Kd4 { [%eval 3.89] [%clk 0:00:55] } 61... Rxc4+ { [%eval 4.28] [%clk 0:00:21] } 62. Kxc4 { [%eval 3.88] [%clk 0:01:04] } 62... Bd2 { [%eval 3.5] [%clk 0:00:30] } 63. Rg8?? { [%eval 0.0] } { Blunder. Rh8 was best. } { [%clk 0:00:40] } 63... Bxf4 { [%eval 0.0] [%clk 0:00:38] } 64. Rxg6 { [%eval 0.0] [%clk 0:00:49] } 64... h4 { [%eval 0.0] [%clk 0:00:47] } 65. Rf6 { [%eval 0.0] [%clk 0:00:36] } 65... Kg4 { [%eval 0.0] [%clk 0:00:47] } 66. Rg6+ { [%eval 0.0] [%clk 0:00:46] } 66... Kh5?? { [%eval 9.46] } { Blunder. Kf3 was best. } { [%clk 0:00:42] } 67. Rg7 { [%eval 36.42] [%clk 0:00:31] } 67... h3 { [%eval 44.94] [%clk 0:00:47] } 68. c7 { [%eval 9.03] [%clk 0:00:33] } 68... Bxc7? { [%eval #36] } { Checkmate is now unavoidable. Bh6 was best. } { [%clk 0:00:56] } 69. Rxc7 { [%eval 49.92] [%clk 0:00:43] } 69... Kg4 { [%eval 46.98] [%clk 0:01:04] } 70. Kd3 { [%eval 68.54] [%clk 0:00:48] } 70... h2?! { [%eval #23] } { Checkmate is now unavoidable. Kf3 was best. } { [%clk 0:00:57] } 71. Rh7 { [%eval #22] [%clk 0:00:56] } 71... Kg3 { [%eval #22] [%clk 0:01:06] } 72. Ke2 { [%eval 67.75] [%clk 0:01:03] } 72... Kg2?! { [%eval #18] } { Checkmate is now unavoidable. Kf4 was best. } { [%clk 0:01:07] } 73. Rg7+ { [%eval #17] [%clk 0:01:13] } 73... Kh3 { [%eval #17] [%clk 0:01:05] } 74. Kf2 { [%eval #16] [%clk 0:01:20] } 74... h1=N+ { [%eval #16] [%clk 0:01:11] } 75. Kf3 { [%eval #15] [%clk 0:01:29] } 75... Kh2 { [%eval #15] [%clk 0:01:18] } 76. Rg2+ { [%eval #14] [%clk 0:01:24] } 76... Kh3 { [%eval #14] [%clk 0:01:27] } 77. Rg5 { [%eval #13] [%clk 0:01:01] } 77... Kh2 { [%eval #11] [%clk 0:01:21] } 78. Rxf5 { [%eval #10] [%clk 0:00:59] } 78... Ng3 { [%eval #10] [%clk 0:01:30] } 79. Rg5 { [%eval #10] [%clk 0:01:05] } 79... Nh1 { [%eval #8] [%clk 0:01:33] } 80. Rg6 { [%eval #7] [%clk 0:01:13] } 1-0