Event: Round 9: Kostov, Deyan Samuil - Baum, Jonasz
Date: 2025-04-27
White: Kostov, Deyan Samuil
WhiteTitle: FM
WhiteElo: 2313
Black: Baum, Jonasz
BlackTitle: IM
BlackElo: 2487
Result: 0-1
ECO: E49
Opening: Nimzo-Indian Defense: Normal Variation, Botvinnik System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:57] } 1... Nf6 { [%eval 0.19] [%clk 1:30:56] } 2. c4 { [%eval 0.18] [%clk 1:31:21] } 2... e6 { [%eval 0.14] [%clk 1:31:23] } 3. Nc3 { [%eval 0.09] [%clk 1:31:45] } 3... Bb4 { [%eval 0.09] [%clk 1:31:49] } 4. e3 { [%eval 0.11] [%clk 1:32:09] } 4... O-O { [%eval 0.11] [%clk 1:32:15] } 5. Bd3 { [%eval 0.0] [%clk 1:32:35] } 5... d5 { [%eval 0.09] [%clk 1:32:32] } 6. a3 { [%eval 0.04] [%clk 1:32:55] } 6... Bxc3+ { [%eval 0.08] [%clk 1:32:56] } 7. bxc3 { [%eval 0.05] [%clk 1:33:20] } 7... dxc4 { [%eval 0.1] [%clk 1:33:21] } 8. Bxc4 { [%eval 0.15] [%clk 1:33:45] } 8... c5 { [%eval 0.16] [%clk 1:33:49] } 9. Ne2 { [%eval 0.05] [%clk 1:34:09] } 9... Qc7 { [%eval 0.17] [%clk 1:34:12] } 10. Bd3 { [%eval 0.07] [%clk 1:34:34] } 10... Nc6 { [%eval 0.11] [%clk 1:34:23] } 11. f4 { [%eval -0.16] [%clk 1:34:00] } 11... b6 { [%eval -0.18] [%clk 1:34:38] } 12. O-O { [%eval -0.02] [%clk 1:34:19] } 12... Ne7 { [%eval -0.04] [%clk 1:34:45] } 13. e4 { [%eval -0.02] [%clk 1:33:58] } 13... Bb7 { [%eval -0.03] [%clk 1:35:10] } 14. Ng3 { [%eval -0.16] [%clk 1:34:25] } 14... cxd4 { [%eval 0.0] [%clk 1:35:58] } 15. cxd4 { [%eval 0.0] [%clk 1:34:51] } 15... Qc3 { [%eval 0.0] [%clk 1:35:58] } 16. Ra2 { [%eval -0.05] [%clk 1:35:18] } 16... Qxd4+ { [%eval -0.04] [%clk 1:36:23] } 17. Kh1 { [%eval -0.29] [%clk 1:36:09] } 17... Rfd8 { [%eval -0.17] [%clk 1:37:08] } 18. Rd2 { [%eval -0.34] [%clk 1:36:08] } 18... Qc5 { [%eval -0.31] } 19. Bb2 { [%eval -0.11] [%clk 1:36:19] } 19... Ne8 { [%eval -0.13] [%clk 1:37:29] } 20. Qe2 { [%eval -0.18] } 20... Qa5 { [%eval -0.38] [%clk 1:37:05] } 21. Rdd1 { [%eval -0.51] [%clk 1:29:02] } 21... Rxd3 { [%eval -0.42] [%clk 1:37:05] } 22. Qxd3 { [%eval -0.14] [%clk 1:36:19] } 22... Ba6 { [%eval -0.15] [%clk 1:37:05] } 23. Qd7 { [%eval -0.1] [%clk 1:36:19] } 23... Bxf1 { [%eval -0.12] [%clk 1:37:05] } 24. Rxf1 { [%eval -0.19] [%clk 0:59:49] } 24... Qc5 { [%eval -0.14] [%clk 1:37:31] } 25. f5 { [%eval -0.16] [%clk 0:59:48] } 25... exf5 { [%eval -0.15] [%clk 1:37:27] } 26. exf5 { [%eval -0.69] [%clk 0:51:37] } 26... Qc7 { [%eval -0.48] [%clk 1:08:58] } 27. Qxc7 { [%eval -0.46] [%clk 0:47:18] } 27... Nxc7 { [%eval -0.42] [%clk 1:08:37] } 28. f6 { [%eval -0.42] [%clk 0:47:29] } 28... gxf6 { [%eval -0.41] [%clk 1:08:21] } 29. Rxf6 { [%eval -0.59] [%clk 0:41:12] } 29... Rd8 { [%eval -0.41] [%clk 1:02:22] } 30. h3 { [%eval -0.37] [%clk 0:38:50] } 30... Rd2 { [%eval -0.36] [%clk 0:49:10] } 31. Be5 { [%eval -0.57] [%clk 0:36:51] } 31... Ne6 { [%eval -0.43] [%clk 0:49:15] } 32. Rf3 { [%eval -0.55] [%clk 0:33:21] } 32... Rd5 { [%eval -0.19] [%clk 0:39:54] } 33. Bf6 { [%eval -0.2] [%clk 0:32:17] } 33... Rd1+ { [%eval -0.33] [%clk 0:40:06] } 34. Kh2 { [%eval -0.32] [%clk 0:32:37] } 34... Nd5 { [%eval -0.35] [%clk 0:40:31] } 35. Be5 { [%eval -0.34] [%clk 0:27:00] } 35... a5 { [%eval -0.21] [%clk 0:33:51] } 36. Nf5?! { [%eval -1.01] } { Inaccuracy. Ne4 was best. } { [%clk 0:16:46] } 36... f6 { [%eval -1.19] [%clk 0:32:27] } 37. Bg3 { [%eval -1.47] [%clk 0:14:51] } 37... Ng5 { [%eval -1.47] [%clk 0:24:47] } 38. Rb3? { [%eval -2.79] } { Mistake. Rf2 was best. } { [%clk 0:13:56] } 38... Ne4 { [%eval -2.8] [%clk 0:25:15] } 39. Rb5 { [%eval -2.61] [%clk 0:11:12] } 39... Kf7 { [%eval -2.78] [%clk 0:24:25] } 40. Nd6+ { [%eval -2.88] [%clk 0:08:04] } 40... Nxd6 { [%eval -2.65] [%clk 0:24:53] } 41. Bxd6 { [%eval -2.73] [%clk 0:08:28] } 41... Ke6 { [%eval -2.7] [%clk 0:24:50] } 42. Bf8 { [%eval -2.97] [%clk 0:08:55] } 42... Kd7?! { [%eval -1.78] } { Inaccuracy. f5 was best. } { [%clk 0:21:39] } 43. Rb3 { [%eval -1.93] [%clk 0:09:17] } 43... Kc6 { [%eval -1.8] [%clk 0:20:16] } 44. Rg3 { [%eval -2.21] [%clk 0:08:57] } 44... b5 { [%eval -2.04] [%clk 0:16:14] } 45. Rg7 { [%eval -2.6] [%clk 0:09:20] } 45... b4 { [%eval -2.68] [%clk 0:16:30] } 46. axb4 { [%eval -2.62] [%clk 0:09:46] } 46... axb4 { [%eval -2.57] [%clk 0:16:56] } 47. Bxb4 { [%eval -2.6] [%clk 0:09:40] } 47... Nxb4 { [%eval -2.64] [%clk 0:17:22] } 48. Rxh7 { [%eval -2.65] [%clk 0:10:05] } 48... Kd6 { [%eval -2.45] [%clk 0:16:53] } 49. h4 { [%eval -2.96] [%clk 0:08:16] } 49... Ke6 { [%eval -2.73] [%clk 0:14:54] } 50. g4 { [%eval -3.18] [%clk 0:08:12] } 50... Nd5 { [%eval -3.03] [%clk 0:13:39] } 51. Ra7 { [%eval -3.07] [%clk 0:06:56] } 51... Rd2+ { [%eval -2.75] [%clk 0:13:11] } 52. Kg3 { [%eval -3.23] [%clk 0:07:00] } 52... Rd3+ { [%eval -3.14] [%clk 0:13:39] } 53. Kf2 { [%eval -3.2] [%clk 0:06:10] } 53... Rh3 { [%eval -2.94] [%clk 0:11:40] } 54. Rh7?! { [%eval -3.79] } { Inaccuracy. h5 was best. } { [%clk 0:06:28] } 54... Nf4 { [%eval -3.57] [%clk 0:09:42] } 55. g5?! { [%eval -4.72] } { Inaccuracy. h5 was best. } { [%clk 0:04:56] } 55... f5 { [%eval -4.64] [%clk 0:10:06] } 56. Rh8 { [%eval -4.6] [%clk 0:04:12] } 56... Ke5 { [%eval -4.53] [%clk 0:08:12] } 57. Rh7 { [%eval -4.66] [%clk 0:03:07] } 57... Rh2+ { [%eval -4.62] [%clk 0:05:11] } 58. Kg3 { [%eval -4.55] [%clk 0:02:54] } 58... Rg2+ { [%eval -4.42] [%clk 0:04:53] } 59. Kf3 { [%eval -4.25] [%clk 0:03:22] } 59... Rg4 { [%eval -4.16] [%clk 0:05:19] } 60. Re7+ { [%eval -4.79] [%clk 0:02:56] } 60... Ne6 { [%eval -4.9] [%clk 0:05:43] } 61. Rh7 { [%eval -5.0] [%clk 0:03:16] } 61... Rxg5 { [%eval -4.89] [%clk 0:05:56] } 62. Rh8 { [%eval -5.12] [%clk 0:03:17] } 62... Rg1 { [%eval -5.03] [%clk 0:06:09] } 63. h5 { [%eval -5.21] [%clk 0:03:41] } 63... Rh1 { [%eval -5.0] [%clk 0:06:04] } 64. Kg3 { [%eval -5.36] [%clk 0:03:55] } 64... Rg1+ { [%eval -5.42] [%clk 0:05:47] } 65. Kf2 { [%eval -5.39] [%clk 0:04:11] } 65... Rg4 { [%eval -5.27] [%clk 0:06:01] } 66. h6 { [%eval -5.24] [%clk 0:04:36] } 66... Rh4 { [%eval -5.02] [%clk 0:05:05] } 67. Kg3 { [%eval -5.21] [%clk 0:05:01] } 67... Rh5 { [%eval -5.28] [%clk 0:05:27] } 68. h7 { [%eval -5.56] [%clk 0:05:21] } 68... Kf6 { [%eval -5.27] [%clk 0:05:46] } 69. Kf2 { [%eval -5.33] [%clk 0:05:39] } 69... Kf7 { [%eval -4.96] [%clk 0:05:12] } 70. Kg3?? { [%eval #-21] } { Checkmate is now unavoidable. Ra8 was best. } { [%clk 0:06:00] } 70... Nf8 { [%eval #-21] [%clk 0:05:26] } 71. Kf3 { [%eval #-20] [%clk 0:06:05] } 71... Rxh7 { [%eval #-21] [%clk 0:05:49] } 0-1