Event: 2025 SIO Challengers
White: Bagamasbad, Efren
WhiteTitle: IM
WhiteElo: 1937
Black: Zhang, Richard
BlackElo: 1831
Result: 1/2-1/2
ECO: A22
Opening: English Opening: King's English Variation, Two Knights Variation, Smyslov System
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:27:42] } 1... Nf6 { [%eval 0.14] [%clk 1:30:54] } 2. Nc3 { [%eval 0.12] [%clk 1:27:51] } 2... e5 { [%eval 0.12] [%clk 1:31:14] } 3. g3 { [%eval 0.07] [%clk 1:27:28] } 3... Bb4 { [%eval 0.0] [%clk 1:31:38] } 4. Nd5 { [%eval -0.31] [%clk 1:25:07] } 4... Bc5 { [%eval 0.01] [%clk 1:31:37] } 5. Bg2 { [%eval -0.13] [%clk 1:24:29] } 5... O-O { [%eval 0.04] [%clk 1:30:42] } 6. e3 { [%eval 0.0] [%clk 1:24:48] } 6... Re8 { [%eval 0.24] [%clk 1:30:52] } 7. Nc3 { [%eval -0.16] [%clk 1:24:53] } 7... c6 { [%eval -0.23] [%clk 1:29:05] } 8. Nge2 { [%eval -0.11] [%clk 1:25:07] } 8... Bf8 { [%eval -0.12] [%clk 1:28:34] } 9. e4 { [%eval -0.06] [%clk 1:22:37] } 9... a5 { [%eval 0.29] [%clk 1:25:47] } 10. O-O { [%eval 0.38] [%clk 1:19:49] } 10... Na6 { [%eval 0.46] [%clk 1:24:52] } 11. d3 { [%eval 0.19] [%clk 1:19:54] } 11... d6 { [%eval 0.13] [%clk 1:22:42] } 12. h3 { [%eval 0.09] [%clk 1:19:34] } 12... Rb8 { [%eval 0.19] [%clk 1:21:44] } 13. f4 { [%eval -0.18] [%clk 1:12:04] } 13... b5 { [%eval -0.23] [%clk 1:16:50] } 14. b3 { [%eval -0.2] [%clk 1:12:04] } 14... Nc5 { [%eval -0.21] [%clk 1:13:01] } 15. Qc2 { [%eval -0.14] [%clk 1:11:23] } 15... Ba6 { [%eval 0.05] [%clk 1:09:27] } 16. Be3 { [%eval -0.2] [%clk 1:06:43] } 16... Rb7 { [%eval 0.2] [%clk 0:57:27] } 17. Rae1 { [%eval 0.11] [%clk 1:03:42] } 17... b4 { [%eval 0.4] [%clk 0:52:24] } 18. Nd1 { [%eval 0.47] [%clk 1:03:46] } 18... Nfd7 { [%eval 0.69] [%clk 0:40:39] } 19. d4 { [%eval 0.62] [%clk 0:58:33] } 19... exd4 { [%eval 0.59] [%clk 0:38:15] } 20. Nxd4 { [%eval 0.61] [%clk 0:59:01] } 20... Qc7 { [%eval 0.63] [%clk 0:38:20] } 21. Nf2 { [%eval 0.8] [%clk 0:59:02] } 21... Nb6? { [%eval 2.5] } { Mistake. Rbb8 was best. } { [%clk 0:38:00] } 22. Bc1?? { [%eval 0.4] } { Blunder. Nf3 was best. } { [%clk 0:51:33] } 22... Rd8 { [%eval 0.87] [%clk 0:33:51] } 23. Bb2?! { [%eval -0.19] } { Inaccuracy. f5 was best. } { [%clk 0:51:21] } 23... d5 { [%eval -0.27] [%clk 0:33:01] } 24. e5?! { [%eval -0.95] } { Inaccuracy. exd5 was best. } { [%clk 0:36:52] } 24... dxc4 { [%eval -0.96] [%clk 0:26:10] } 25. Nxc6 { [%eval -0.93] [%clk 0:37:06] } 25... cxb3 { [%eval -0.54] [%clk 0:23:42] } 26. axb3 { [%eval -0.49] [%clk 0:37:34] } 26... Bxf1 { [%eval -0.35] [%clk 0:23:50] } 27. Rxf1 { [%eval -0.87] [%clk 0:37:55] } 27... Rd7 { [%eval -0.82] [%clk 0:09:07] } 28. Nxa5 { [%eval -0.83] [%clk 0:34:56] } 28... Rb8 { [%eval -0.96] [%clk 0:09:05] } 29. Nc6 { [%eval -0.89] [%clk 0:34:28] } 29... Rc8 { [%eval -0.94] [%clk 0:09:14] } 30. Nxb4 { [%eval -0.96] [%clk 0:31:54] } 30... Rcd8?! { [%eval -0.06] } { Inaccuracy. Ne6 was best. } { [%clk 0:09:15] } 31. Nc6 { [%eval 0.0] [%clk 0:29:33] } 31... Rd2 { [%eval 0.11] [%clk 0:08:24] } 32. Qb1 { [%eval 0.25] [%clk 0:30:02] } 32... Re8 { [%eval 0.63] [%clk 0:07:29] } 33. Bc3 { [%eval 0.66] [%clk 0:24:56] } 33... Rd7 { [%eval 0.64] [%clk 0:07:42] } 34. Ba5 { [%eval 0.87] [%clk 0:25:09] } 34... Nb7 { [%eval 0.92] [%clk 0:06:10] } 35. b4 { [%eval 1.07] [%clk 0:24:43] } 35... Nxa5?! { [%eval 1.89] } { Inaccuracy. Rd2 was best. } { [%clk 0:02:49] } 36. bxa5 { [%eval 1.61] [%clk 0:25:10] } 36... Nc4 { [%eval 1.73] [%clk 0:03:13] } 37. Qb5?? { [%eval 0.0] } { Blunder. Rc1 was best. } { [%clk 0:17:38] } 37... Ne3 { [%eval 0.0] [%clk 0:01:51] } 38. Rc1 { [%eval 0.05] [%clk 0:18:06] } 38... Kh8?? { [%eval 2.23] } { Blunder. Rd2 was best. } { [%clk 0:01:47] } 39. Bf3 { [%eval 1.82] [%clk 0:17:15] } 39... Nf5 { [%eval 1.96] [%clk 0:01:58] } 40. Bg4?? { [%eval 0.12] } { Blunder. Qb1 was best. } { [%clk 0:13:10] } 40... Nd4 { [%eval 0.3] [%clk 0:01:24] } 41. Qa4 { [%eval 0.0] [%clk 0:13:38] } 41... Rd5?? { [%eval 2.98] } { Blunder. f5 was best. } { [%clk 0:00:40] } 42. Rc4?? { [%eval -0.36] } { Blunder. Rd1 was best. } { [%clk 0:13:39] } 42... Nxc6 { [%eval -0.36] [%clk 0:00:56] } 43. Qxc6 { [%eval -0.4] [%clk 0:10:55] } 43... Qxc6 { [%eval -0.33] [%clk 0:01:22] } 44. Rxc6 { [%eval -0.4] [%clk 0:11:23] } 44... Rxa5 { [%eval -0.3] [%clk 0:01:51] } 45. Ne4 { [%eval -0.31] [%clk 0:11:51] } 45... h6 { [%eval -0.2] [%clk 0:00:37] } 46. h4 { [%eval -0.39] [%clk 0:10:36] } 46... Kg8 { [%eval 0.0] [%clk 0:00:40] } 47. Kg2 { [%eval 0.0] [%clk 0:10:45] } 47... Be7 { [%eval 0.0] [%clk 0:00:40] } 48. h5 { [%eval 0.0] [%clk 0:09:37] } 48... Kf8 { [%eval 0.0] [%clk 0:00:48] } 49. Rc7 { [%eval 0.0] [%clk 0:08:10] } 49... Rd8 { [%eval 0.0] [%clk 0:00:38] } 50. Bd7 { [%eval -0.09] [%clk 0:07:33] } 50... Rd5 { [%eval 0.0] [%clk 0:00:52] } 51. Bc6 { [%eval -0.11] [%clk 0:08:01] } 51... Rd4 { [%eval -0.25] [%clk 0:01:13] } 52. f5?! { [%eval -0.81] } { Inaccuracy. Bb7 was best. } { [%clk 0:07:33] } 52... Bb4?! { [%eval 0.0] } { Inaccuracy. Rb8 was best. } { [%clk 0:00:49] } 53. e6?! { [%eval -0.59] } { Inaccuracy. f6 was best. } { [%clk 0:06:31] } 53... fxe6?! { [%eval -0.03] } { Inaccuracy. Be7 was best. } { [%clk 0:00:49] } 54. fxe6 { [%eval -0.23] [%clk 0:06:58] } 54... Be7 { [%eval 0.0] [%clk 0:01:08] } 55. Kf3 { [%eval -0.1] [%clk 0:06:42] } 55... Rd1 { [%eval -0.04] [%clk 0:00:41] } 56. Kf4 { [%eval -0.04] [%clk 0:06:45] } 56... Rf1+ { [%eval -0.09] [%clk 0:00:53] } 57. Ke5 { [%eval -0.38] [%clk 0:07:05] } 57... Re1 { [%eval 0.0] [%clk 0:01:19] } 58. Kf5 { [%eval -0.34] [%clk 0:07:03] } 58... Rf1+ { [%eval 0.0] [%clk 0:01:28] } 59. Kg6 { [%eval 0.0] [%clk 0:05:03] } 59... Re1 { [%eval 0.0] [%clk 0:01:49] } 60. g4 { [%eval 0.0] [%clk 0:04:32] } 60... Rg1 { [%eval 0.0] [%clk 0:02:14] } 61. Kf5 { [%eval 0.0] [%clk 0:03:54] } 61... Rf1+ { [%eval 0.17] [%clk 0:02:40] } 62. Kg6 { [%eval 0.04] [%clk 0:03:21] } 62... Rg1 { [%eval 0.05] [%clk 0:03:07] } 63. g5 { [%eval -0.06] [%clk 0:02:25] } 63... hxg5 { [%eval 0.0] [%clk 0:02:26] } 64. h6 { [%eval 0.0] [%clk 0:02:42] } 64... gxh6 { [%eval 0.0] [%clk 0:00:58] } 65. Nf6 { [%eval 0.0] [%clk 0:03:11] } 65... Bxf6 { [%eval 0.0] [%clk 0:01:09] } 66. Rf7+ { [%eval 0.0] [%clk 0:03:07] } 66... Kg8 { [%eval 0.0] [%clk 0:01:38] } 67. Rxf6 { [%eval 0.0] [%clk 0:02:40] } 67... Rd6?? { [%eval #5] } { Checkmate is now unavoidable. Re1 was best. } { [%clk 0:00:32] } 68. e7?? { [%eval 0.0] } { Lost forced checkmate sequence. Bd5 was best. } { [%clk 0:01:48] } 68... Rxf6+ { [%eval 0.0] [%clk 0:00:48] } 69. Kxf6 { [%eval 0.0] [%clk 0:02:16] } 69... Rf1+ { [%eval 0.0] [%clk 0:01:04] } 70. Kg6 { [%eval 0.0] [%clk 0:01:08] } 70... Re1 { [%eval 0.0] [%clk 0:01:19] } 71. e8=Q+ { [%eval 0.0] [%clk 0:01:29] } 71... Rxe8 { [%eval 0.0] [%clk 0:01:46] } 72. Bxe8 { [%eval 0.0] [%clk 0:01:45] } 72... g4 { [%eval 0.0] [%clk 0:02:13] } 73. Kh5 { [%eval 0.0] [%clk 0:02:09] } 73... g3 { [%eval 0.0] [%clk 0:02:37] } 74. Bc6 { [%eval 0.0] [%clk 0:02:33] } 74... Kf7 { [%eval 0.0] [%clk 0:02:57] } 75. Kh4 { [%eval 0.0] [%clk 0:03:01] } 75... h5 { [%eval 0.0] [%clk 0:03:13] } 76. Kxg3 { [%eval 0.0] [%clk 0:03:28] } 76... h4+ { [%eval 0.0] [%clk 0:03:38] } 77. Kxh4 { [%clk 0:03:56] } 77... Kg6 { [%clk 0:03:19] } 1/2-1/2