Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-19
White: Markzon, Gregory
WhiteTitle: FM
WhiteElo: 2057
Black: Rivera, Daniel
BlackTitle: IM
BlackElo: 2245
Result: 1/2-1/2
ECO: E95
Opening: King's Indian Defense: Orthodox Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. d4 { [%eval 0.17] [%clk 1:30:53] } 1... Nf6 { [%eval 0.17] [%clk 1:30:30] } 2. c4 { [%eval 0.16] [%clk 1:31:15] } 2... g6 { [%eval 0.25] [%clk 1:30:52] } 3. Nc3 { [%eval 0.21] [%clk 1:31:32] } 3... Bg7 { [%eval 0.51] [%clk 1:31:12] } 4. e4 { [%eval 0.4] [%clk 1:31:52] } 4... d6 { [%eval 0.41] [%clk 1:31:36] } 5. Be2 { [%eval 0.51] [%clk 1:32:11] } 5... O-O { [%eval 0.4] [%clk 1:31:59] } 6. Nf3 { [%eval 0.45] [%clk 1:32:27] } 6... Nbd7 { [%eval 0.6] [%clk 1:28:07] } 7. O-O { [%eval 0.63] [%clk 1:32:44] } 7... e5 { [%eval 0.69] [%clk 1:28:00] } 8. Re1 { [%eval 0.4] [%clk 1:32:25] } 8... Re8 { [%eval 0.33] [%clk 1:25:18] } 9. d5 { [%eval 0.33] [%clk 1:30:46] } 9... Nh5?! { [%eval 0.97] } { Inaccuracy. Nc5 was best. } { [%clk 1:23:34] } 10. Bf1 { [%eval 0.71] [%clk 1:28:33] } 10... a5 { [%eval 0.71] [%clk 1:17:37] } 11. b3 { [%eval 0.31] [%clk 1:21:48] } 11... Nc5 { [%eval 0.31] [%clk 1:10:35] } 12. g3 { [%eval 0.01] [%clk 1:12:17] } 12... f5 { [%eval -0.02] [%clk 0:59:32] } 13. Bg5 { [%eval -0.18] [%clk 1:07:00] } 13... Qd7?! { [%eval 0.62] } { Inaccuracy. Bf6 was best. } { [%clk 0:56:48] } 14. exf5 { [%eval 0.6] [%clk 1:04:00] } 14... Qxf5 { [%eval 0.63] [%clk 0:50:09] } 15. Be3 { [%eval 0.66] [%clk 0:59:30] } 15... e4 { [%eval 0.71] [%clk 0:43:33] } 16. Bd4?! { [%eval -0.16] } { Inaccuracy. Nd4 was best. } { [%clk 0:55:14] } 16... Rf8?! { [%eval 0.54] } { Inaccuracy. Bd7 was best. } { [%clk 0:33:02] } 17. Nh4 { [%eval 0.52] [%clk 0:51:08] } 17... Qf7 { [%eval 0.5] [%clk 0:32:17] } 18. Nxe4 { [%eval 0.54] [%clk 0:45:50] } 18... Nxe4 { [%eval 0.62] [%clk 0:29:10] } 19. Rxe4 { [%eval 0.63] [%clk 0:45:49] } 19... g5 { [%eval 0.6] [%clk 0:29:24] } 20. Ng2 { [%eval 0.67] [%clk 0:42:20] } 20... Nf6 { [%eval 0.72] [%clk 0:29:19] } 21. Re1 { [%eval 0.75] [%clk 0:38:23] } 21... Ng4 { [%eval 0.78] [%clk 0:23:25] } 22. f4 { [%eval 0.83] [%clk 0:37:34] } 22... h6 { [%eval 1.27] [%clk 0:20:53] } 23. Bxg7 { [%eval 0.94] [%clk 0:33:56] } 23... Qxg7 { [%eval 0.87] [%clk 0:21:02] } 24. Qd2 { [%eval 0.64] [%clk 0:31:56] } 24... Bd7 { [%eval 0.82] [%clk 0:20:17] } 25. Rad1 { [%eval 0.64] [%clk 0:30:13] } 25... Rf7 { [%eval 1.07] [%clk 0:17:31] } 26. Qd4 { [%eval 1.07] [%clk 0:27:10] } 26... Qg6 { [%eval 1.06] [%clk 0:13:53] } 27. Rd2 { [%eval 1.14] [%clk 0:21:31] } 27... Raf8 { [%eval 1.07] [%clk 0:13:41] } 28. Bd3 { [%eval 1.07] [%clk 0:20:14] } 28... Qh5 { [%eval 0.95] [%clk 0:13:51] } 29. h4 { [%eval 1.04] [%clk 0:19:55] } 29... Nf6 { [%eval 1.03] [%clk 0:12:13] } 30. fxg5 { [%eval 1.03] [%clk 0:16:01] } 30... hxg5 { [%eval 0.98] [%clk 0:12:11] } 31. Rf2 { [%eval 1.13] [%clk 0:14:47] } 31... Ng4 { [%eval 1.03] [%clk 0:07:43] } 32. Rxf7 { [%eval 0.95] [%clk 0:14:28] } 32... Rxf7 { [%eval 1.05] [%clk 0:08:11] } 33. Be2 { [%eval 1.32] [%clk 0:13:29] } 33... gxh4 { [%eval 1.39] [%clk 0:07:43] } 34. Bxg4 { [%eval 1.33] [%clk 0:13:11] } 34... Bxg4 { [%eval 1.28] [%clk 0:05:27] } 35. Re8+ { [%eval 1.1] [%clk 0:12:00] } 35... Rf8 { [%eval 1.02] [%clk 0:05:56] } 36. Rxf8+ { [%eval 0.99] [%clk 0:11:33] } 36... Kxf8 { [%eval 0.85] [%clk 0:06:25] } 37. Qf6+ { [%eval 0.66] [%clk 0:11:03] } 37... Ke8 { [%eval 0.64] [%clk 0:04:49] } 38. Nxh4 { [%eval 0.14] [%clk 0:10:24] } 38... Qh7 { [%eval 0.03] [%clk 0:03:09] } 39. Ng6 { [%eval 0.11] [%clk 0:08:01] } 39... Bh5? { [%eval 1.45] } { Mistake. b6 was best. } { [%clk 0:01:26] } 40. Qf8+ { [%eval 1.11] [%clk 0:06:28] } 40... Kd7 { [%eval 1.23] [%clk 0:01:55] } 41. Qf5+ { [%eval 1.09] [%clk 0:06:13] } 41... Kd8 { [%eval 1.0] [%clk 0:01:29] } 42. Nh4?! { [%eval 0.21] } { Inaccuracy. Qg5+ was best. } { [%clk 0:05:13] } 42... Qxf5 { [%eval 0.38] [%clk 0:29:02] } 43. Nxf5 { [%eval 0.35] [%clk 0:35:33] } 43... Bg6 { [%eval 0.5] [%clk 0:26:39] } 44. Nd4 { [%eval 0.15] [%clk 0:29:47] } 44... a4 { [%eval 0.17] [%clk 0:20:35] } 45. b4 { [%eval 0.17] [%clk 0:25:16] } 45... Bd3 { [%eval 0.23] [%clk 0:15:41] } 46. c5 { [%eval 0.21] [%clk 0:24:42] } 46... dxc5 { [%eval 0.17] [%clk 0:08:52] } 47. Ne6+ { [%eval 0.16] [%clk 0:23:43] } 47... Ke7 { [%eval 0.2] [%clk 0:07:50] } 48. Nxc5 { [%eval 0.13] [%clk 0:23:58] } 48... Bc4 { [%eval 0.17] [%clk 0:07:41] } 49. a3 { [%eval 0.17] [%clk 0:21:43] } 49... b5?? { [%eval 3.13] } { Blunder. Bxd5 was best. } { [%clk 0:06:35] } 50. Kf2 { [%eval 2.76] [%clk 0:18:31] } 50... Kd6 { [%eval 2.08] [%clk 0:06:44] } 51. Ke3?? { [%eval 0.0] } { Blunder. Na6 was best. } { [%clk 0:18:50] } 51... Kxd5 { [%eval 0.0] [%clk 0:06:49] } 52. g4 { [%eval 0.0] [%clk 0:18:44] } 52... Ba2 { [%eval 0.0] [%clk 0:05:45] } 53. Kd3 { [%eval 0.0] [%clk 0:18:34] } 53... Bb1+ { [%eval 0.05] [%clk 0:05:54] } 54. Kc3 { [%eval 0.0] [%clk 0:18:54] } 54... Bg6 { [%eval 0.0] [%clk 0:05:28] } 55. g5 { [%eval 0.0] [%clk 0:19:02] } 55... Ke5 { [%eval 0.0] [%clk 0:05:32] } 56. Na6 { [%eval 0.0] [%clk 0:19:07] } 56... c6 { [%eval 0.0] [%clk 0:05:32] } 57. Nb8 { [%eval 0.0] [%clk 0:19:12] } 57... Be8 { [%eval 0.0] [%clk 0:04:58] } 58. Kd3 { [%eval 0.0] [%clk 0:14:51] } 58... Kd5 { [%eval 0.0] [%clk 0:04:12] } 1/2-1/2