Event: Mitropa Cup 2023 Open selection
Site: Mali Losinj, Croatia
Date: 2023-04-12
White: Koellner, Ruben Gideon
WhiteElo: 2421
Black: Sahidi, Samir
BlackElo: 2508
Result: 0-1
ECO: A40
Opening: Horwitz Defense
Variant: Standard
TimeControl: 90 min + 30 min after 40 moves + 30 sec increment from move 1

1. d4 { [%eval 0.0] [%clk 1:30:56] } 1... e6 { [%eval 0.2] [%clk 1:30:52] } 2. Nf3 { [%eval 0.29] [%clk 1:31:13] } 2... Nf6 { [%eval 0.38] [%clk 1:31:04] } 3. Nbd2 { [%eval 0.0] [%clk 1:30:09] } 3... c5 { [%eval 0.22] [%clk 1:31:22] } 4. e3 { [%eval 0.04] [%clk 1:30:35] } 4... b6 { [%eval 0.11] [%clk 1:31:39] } 5. b3 { [%eval 0.0] [%clk 1:30:45] } 5... Bb7 { [%eval 0.02] [%clk 1:30:19] } 6. Bb2 { [%eval 0.07] [%clk 1:31:09] } 6... cxd4 { [%eval 0.28] [%clk 1:28:20] } 7. exd4 { [%eval 0.0] [%clk 1:31:32] } 7... Be7 { [%eval 0.05] [%clk 1:26:58] } 8. Bd3 { [%eval 0.16] [%clk 1:30:48] } 8... O-O { [%eval 0.26] [%clk 1:27:03] } 9. O-O { [%eval 0.13] [%clk 1:31:09] } 9... d5 { [%eval 0.27] [%clk 1:24:04] } 10. Qe2 { [%eval 0.23] [%clk 1:29:55] } 10... Nc6 { [%eval 0.27] [%clk 1:19:03] } 11. a3 { [%eval 0.13] [%clk 1:30:12] } 11... Nd7 { [%eval 0.4] [%clk 1:16:30] } 12. Rfe1 { [%eval 0.42] [%clk 1:25:54] } 12... Rc8 { [%eval 0.36] [%clk 1:11:38] } 13. Qe3 { [%eval 0.19] [%clk 1:18:09] } 13... Re8 { [%eval 0.32] [%clk 1:05:26] } 14. Qf4 { [%eval 0.0] [%clk 1:08:16] } 14... Qc7 { [%eval 0.06] [%clk 0:59:13] } 15. Qg4 { [%eval 0.18] [%clk 1:07:21] } 15... Bf6 { [%eval 0.16] [%clk 0:55:00] } 16. Re3 { [%eval -0.02] [%clk 0:56:34] } 16... g6 { [%eval 0.09] [%clk 0:54:15] } 17. Rae1 { [%eval -0.03] [%clk 0:53:50] } 17... Bg7 { [%eval 0.21] [%clk 0:53:38] } 18. Qh4 { [%eval -0.18] [%clk 0:48:39] } 18... Qd8 { [%eval -0.02] [%clk 0:48:57] } 19. Qg3 { [%eval -0.48] [%clk 0:46:07] } 19... Nf6 { [%eval -0.01] [%clk 0:42:15] } 20. Qh3 { [%eval -0.22] [%clk 0:41:48] } 20... Nh5 { [%eval -0.2] [%clk 0:38:45] } 21. g3 { [%eval -0.16] [%clk 0:41:58] } 21... Nb8 { [%eval 0.15] [%clk 0:36:15] } 22. Ne5 { [%eval 0.25] [%clk 0:34:11] } 22... Ba6 { [%eval 0.45] [%clk 0:35:45] } 23. Bxa6 { [%eval 0.34] [%clk 0:33:17] } 23... Nxa6 { [%eval 0.52] [%clk 0:35:36] } 24. c3 { [%eval 0.03] [%clk 0:33:09] } 24... Nb8 { [%eval 0.06] [%clk 0:33:41] } 25. f4 { [%eval -0.21] [%clk 0:32:18] } 25... Nc6 { [%eval 0.04] [%clk 0:31:52] } 26. Ndf3 { [%eval 0.0] [%clk 0:23:53] } 26... f5 { [%eval -0.11] [%clk 0:28:43] } 27. Nd3 { [%eval -0.05] [%clk 0:21:38] } 27... Qd7 { [%eval 0.0] [%clk 0:27:23] } 28. Ng5 { [%eval 0.0] [%clk 0:21:04] } 28... Nd8 { [%eval 0.08] [%clk 0:27:15] } 29. g4 { [%eval -0.22] [%clk 0:18:28] } 29... fxg4 { [%eval -0.23] [%clk 0:27:26] } 30. Qxg4 { [%eval -0.15] [%clk 0:18:28] } 30... Bf6 { [%eval 0.18] [%clk 0:20:28] } 31. f5 { [%eval 0.17] [%clk 0:15:00] } 31... Bxg5 { [%eval 0.15] [%clk 0:20:25] } 32. Qxg5 { [%eval 0.12] [%clk 0:13:50] } 32... Nf7 { [%eval 0.11] [%clk 0:20:29] } 33. fxe6 { [%eval 0.11] [%clk 0:12:36] } 33... Rxe6 { [%eval 0.33] [%clk 0:20:50] } 34. Qg4 { [%eval 0.15] [%clk 0:12:52] } 34... Re7 { [%eval 0.11] [%clk 0:15:43] } 35. Qxd7 { [%eval 0.18] [%clk 0:13:16] } 35... Rxd7 { [%eval 0.25] [%clk 0:16:07] } 36. Re8+ { [%eval 0.0] [%clk 0:13:40] } 36... Rxe8 { [%eval 0.03] [%clk 0:16:30] } 37. Rxe8+ { [%eval 0.01] [%clk 0:14:03] } 37... Kg7 { [%eval 0.0] [%clk 0:16:55] } 38. c4 { [%eval 0.0] [%clk 0:12:22] } 38... Nd6 { [%eval 0.27] [%clk 0:13:26] } 39. Re6 { [%eval 0.19] [%clk 0:11:32] } 39... dxc4 { [%eval 0.15] [%clk 0:07:01] } 40. d5+ { [%eval 0.19] [%clk 0:40:58] } 40... c3 { [%eval 0.21] [%clk 0:36:47] } 41. Bxc3+ { [%eval 0.1] [%clk 0:41:11] } 41... Kg8 { [%eval 0.19] [%clk 0:36:31] } 42. Ne5 { [%eval 0.2] [%clk 0:40:29] } 42... Rd8 { [%eval 0.19] [%clk 0:33:49] } 43. Nc6 { [%eval 0.18] [%clk 0:27:26] } 43... Rd7 { [%eval 0.19] [%clk 0:34:10] } 44. Ne7+ { [%eval 0.15] [%clk 0:19:28] } 44... Kf7 { [%eval 0.16] [%clk 0:32:21] } 45. Nc6 { [%eval 0.16] [%clk 0:19:53] } 45... Kg8 { [%eval 0.14] [%clk 0:32:15] } 46. Ne5 { [%eval 0.0] [%clk 0:16:51] } 46... Rd8 { [%eval 0.08] [%clk 0:31:40] } 47. Re7 { [%eval 0.0] [%clk 0:09:14] } 47... Nf5 { [%eval 0.26] [%clk 0:28:59] } 48. Rxa7 { [%eval 0.26] [%clk 0:09:30] } 48... Nf4 { [%eval 0.27] [%clk 0:28:27] } 49. Ng4 { [%eval 0.0] [%clk 0:04:04] } 49... Nxd5 { [%eval 0.15] [%clk 0:27:56] } 50. Ba1 { [%eval -0.11] [%clk 0:03:56] } 50... Rc8 { [%eval 0.0] [%clk 0:27:08] } 51. Kg2 { [%eval 0.0] [%clk 0:03:17] } 51... h5 { [%eval 0.0] [%clk 0:23:16] } 52. Nf6+ { [%eval -0.02] [%clk 0:03:24] } 52... Nxf6 { [%eval 0.0] [%clk 0:23:41] } 53. Bxf6 { [%eval 0.0] [%clk 0:03:50] } 53... Rc2+ { [%eval -0.04] [%clk 0:23:07] } 54. Kg1 { [%eval 0.0] [%clk 0:02:49] } 54... h4 { [%eval 0.0] [%clk 0:20:43] } 55. h3 { [%eval -0.09] [%clk 0:03:16] } 55... Rc6 { [%eval -0.02] [%clk 0:20:51] } 56. Bb2 { [%eval -0.09] [%clk 0:02:27] } 56... Rd6 { [%eval -0.11] [%clk 0:21:09] } 57. Be5 { [%eval -0.08] [%clk 0:01:45] } 57... Rd3 { [%eval -0.1] [%clk 0:21:21] } 58. Rb7 { [%eval -0.13] [%clk 0:01:20] } 58... Rxb3 { [%eval -0.14] [%clk 0:21:30] } 59. a4 { [%eval -0.24] [%clk 0:01:42] } 59... Rxh3 { [%eval -0.22] [%clk 0:14:05] } 60. Rxb6 { [%eval -0.38] [%clk 0:02:07] } 60... Kh7 { [%eval -0.29] [%clk 0:14:19] } 61. Kf2 { [%eval -0.79] [%clk 0:00:33] } 61... Ra3 { [%eval -0.73] [%clk 0:14:18] } 62. Bf6?? { [%eval -2.69] } { Blunder. Bf4 was best. } { [%clk 0:00:42] } 62... Rxa4 { [%eval -2.24] [%clk 0:12:17] } 63. Bg5?! { [%eval -3.16] } { Inaccuracy. Rb8 was best. } { [%clk 0:00:38] } 63... Rg4 { [%eval -3.07] [%clk 0:10:01] } 64. Rb7+ { [%eval -2.98] [%clk 0:01:04] } 64... Kg8 { [%eval -3.24] [%clk 0:09:59] } 65. Bc1?! { [%eval -4.62] } { Inaccuracy. Bd8 was best. } { [%clk 0:00:49] } 65... g5?! { [%eval -3.6] } { Inaccuracy. h3 was best. } { [%clk 0:07:33] } 66. Rb5 { [%eval -3.26] [%clk 0:00:34] } 66... Nd6 { [%eval -3.24] [%clk 0:07:56] } 67. Rb3?! { [%eval -4.58] } { Inaccuracy. Ra5 was best. } { [%clk 0:00:32] } 67... Ne4+ { [%eval -4.77] [%clk 0:07:51] } 68. Kf1 { [%eval -4.4] [%clk 0:00:52] } 68... Kf7 { [%eval -4.74] [%clk 0:08:05] } 69. Rb6 { [%eval -4.95] [%clk 0:01:02] } 69... Nf6?! { [%eval -3.71] } { Inaccuracy. h3 was best. } { [%clk 0:07:24] } 70. Bb2 { [%eval -4.14] [%clk 0:00:37] } 70... Nd5 { [%eval -3.8] [%clk 0:06:57] } 71. Rb5 { [%eval -3.98] [%clk 0:00:38] } 71... Ke6 { [%eval -4.78] [%clk 0:06:53] } 72. Rb3?! { [%eval -7.52] } { Inaccuracy. Rb8 was best. } { [%clk 0:00:59] } 72... Rc4? { [%eval -4.36] } { Mistake. Rb4 was best. } { [%clk 0:05:53] } 73. Rb8 { [%eval -4.44] [%clk 0:00:49] } 73... Kf5 { [%eval -4.36] [%clk 0:06:07] } 74. Rf8+ { [%eval -4.67] [%clk 0:00:58] } 74... Kg4 { [%eval -5.45] [%clk 0:06:27] } 75. Be5 { [%eval -6.67] [%clk 0:01:21] } 75... Nf4 { [%eval -6.09] [%clk 0:06:26] } 0-1