Event: Mitropa Cup 2023 Open selection
Site: Mali Losinj, Croatia
Date: 2023-04-16
White: Koellner, Ruben Gideon
WhiteElo: 2421
Black: Kozak, Adam
BlackElo: 2568
Result: 0-1
ECO: A48
Opening: East Indian Defense
Variant: Standard
TimeControl: 90 min + 30 min after 40 moves + 30 sec increment from move 1

1. d4 { [%eval 0.0] [%clk 1:30:57] } 1... Nf6 { [%eval 0.28] [%clk 1:29:41] } 2. Nf3 { [%eval 0.12] [%clk 1:31:22] } 2... g6 { [%eval 0.21] [%clk 1:29:39] } 3. Nbd2 { [%eval 0.05] [%clk 1:30:48] } 3... d5 { [%eval 0.21] [%clk 1:29:59] } 4. b4 { [%eval 0.0] [%clk 1:30:54] } 4... Bg7 { [%eval 0.36] [%clk 1:30:08] } 5. Bb2 { [%eval -0.01] [%clk 1:30:18] } 5... O-O { [%eval 0.32] [%clk 1:28:57] } 6. e3 { [%eval 0.13] [%clk 1:30:44] } 6... Bf5 { [%eval 0.24] [%clk 1:27:43] } 7. c4 { [%eval 0.0] [%clk 1:31:04] } 7... a5 { [%eval -0.01] [%clk 1:28:11] } 8. b5 { [%eval -0.19] [%clk 1:31:23] } 8... a4 { [%eval -0.21] [%clk 1:28:30] } 9. Ba3 { [%eval -0.6] [%clk 1:31:11] } 9... c6 { [%eval -0.59] [%clk 1:20:46] } 10. cxd5 { [%eval -0.51] [%clk 1:28:32] } 10... cxb5 { [%eval -0.5] [%clk 1:10:30] } 11. Qc1? { [%eval -1.74] } { Mistake. Bxb5 was best. } { [%clk 1:01:46] } 11... Na6 { [%eval -1.77] [%clk 0:35:47] } 12. Qb2 { [%eval -1.57] [%clk 1:01:26] } 12... b4 { [%eval -1.62] [%clk 0:33:06] } 13. Bxb4 { [%eval -1.63] [%clk 0:56:55] } 13... Nxb4 { [%eval -1.62] [%clk 0:32:20] } 14. Qxb4 { [%eval -1.54] [%clk 0:57:19] } 14... Nxd5 { [%eval -1.5] [%clk 0:32:41] } 15. Qb2 { [%eval -1.77] [%clk 0:57:37] } 15... Qa5 { [%eval -1.65] [%clk 0:31:32] } 16. Bc4 { [%eval -1.73] [%clk 0:54:16] } 16... Nb4 { [%eval -1.77] [%clk 0:29:15] } 17. O-O { [%eval -1.81] [%clk 0:52:42] } 17... b5 { [%eval -1.66] [%clk 0:27:36] } 18. e4 { [%eval -1.6] [%clk 0:49:13] } 18... bxc4 { [%eval -1.66] [%clk 0:22:02] } 19. Nxc4 { [%eval -1.67] [%clk 0:44:26] } 19... Qc7 { [%eval -1.73] [%clk 0:18:52] } 20. Qxb4 { [%eval -1.74] [%clk 0:44:47] } 20... Bxe4 { [%eval -1.71] [%clk 0:19:05] } 21. Nfe5 { [%eval -1.85] [%clk 0:39:05] } 21... Rfd8 { [%eval -1.68] [%clk 0:18:55] } 22. Rfd1 { [%eval -1.65] [%clk 0:35:04] } 22... Qb7 { [%eval -1.29] [%clk 0:14:55] } 23. Qa3?! { [%eval -2.1] } { Inaccuracy. Qxb7 was best. } { [%clk 0:33:45] } 23... Qa7 { [%eval -1.65] [%clk 0:04:17] } 24. Qc5 { [%eval -1.59] [%clk 0:24:48] } 24... Rdc8 { [%eval -1.18] [%clk 0:04:41] } 25. Qxa7 { [%eval -1.3] [%clk 0:21:24] } 25... Rxa7 { [%eval -1.35] [%clk 0:05:10] } 26. f3 { [%eval -1.29] [%clk 0:21:42] } 26... Bb7 { [%eval -1.27] [%clk 0:00:40] } 27. Nb6 { [%eval -1.4] [%clk 0:21:30] } 27... Rd8?! { [%eval -0.73] } { Inaccuracy. Rc2 was best. } { [%clk 0:00:35] } 28. Rab1 { [%eval -0.95] [%clk 0:19:51] } 28... a3 { [%eval -0.8] [%clk 0:00:33] } 29. f4 { [%eval -1.36] [%clk 0:18:55] } 29... Be4 { [%eval -1.64] [%clk 0:00:44] } 30. Rb4 { [%eval -1.45] [%clk 0:18:35] } 30... Rc7 { [%eval -1.45] [%clk 0:00:32] } 31. d5 { [%eval -1.71] [%clk 0:18:33] } 31... f5 { [%eval -1.57] [%clk 0:00:35] } 32. Rd2?! { [%eval -2.35] } { Inaccuracy. Rc4 was best. } { [%clk 0:13:22] } 32... g5 { [%eval -2.9] [%clk 0:01:04] } 33. g3 { [%eval -3.05] [%clk 0:11:03] } 33... gxf4 { [%eval -2.93] [%clk 0:01:33] } 34. gxf4 { [%eval -2.8] [%clk 0:11:26] } 34... Bh6 { [%eval -2.92] [%clk 0:01:07] } 35. Rf2 { [%eval -3.17] [%clk 0:03:13] } 35... Rc1+ { [%eval -3.14] [%clk 0:01:03] } 36. Rf1 { [%eval -3.14] [%clk 0:03:39] } 36... Bxf4 { [%eval -2.9] [%clk 0:00:36] } 37. Rxc1 { [%eval -2.73] [%clk 0:03:15] } 37... Bxc1 { [%eval -3.11] [%clk 0:01:05] } 38. Nc6 { [%eval -3.12] [%clk 0:03:19] } 38... Re8 { [%eval -2.82] [%clk 0:01:02] } 39. Kf2 { [%eval -2.91] [%clk 0:03:40] } 39... Bf4 { [%eval -3.11] [%clk 0:00:32] } 40. Ra4 { [%eval -2.95] [%clk 0:31:46] } 40... Bd6 { [%eval -2.96] [%clk 0:30:32] } 41. Ra5?! { [%eval -3.94] } { Inaccuracy. Ke2 was best. } { [%clk 0:32:08] } 41... Bc7 { [%eval -3.82] [%clk 0:26:39] } 42. Rb5 { [%eval -4.08] [%clk 0:32:14] } 42... Bxh2 { [%eval -3.47] [%clk 0:23:04] } 43. Nc4 { [%eval -3.2] [%clk 0:31:54] } 43... Bd3 { [%eval -3.26] [%clk 0:14:10] } 44. Rc5 { [%eval -3.23] [%clk 0:29:28] } 44... Bxc4 { [%eval -2.94] [%clk 0:13:55] } 45. Rxc4 { [%eval -2.78] [%clk 0:29:53] } 45... Bd6 { [%eval -2.85] [%clk 0:13:03] } 46. Kf3 { [%eval -3.43] [%clk 0:28:57] } 46... Kf7 { [%eval -3.42] [%clk 0:11:03] } 47. Rh4 { [%eval -3.36] [%clk 0:29:08] } 47... Kg6 { [%eval -3.02] [%clk 0:10:56] } 48. Rh1 { [%eval -3.57] [%clk 0:29:09] } 48... h5 { [%eval -3.4] [%clk 0:09:32] } 49. Rg1+ { [%eval -3.86] [%clk 0:28:13] } 49... Kf6 { [%eval -4.01] [%clk 0:09:40] } 50. Re1 { [%eval -3.93] [%clk 0:28:11] } 50... e5 { [%eval -3.71] [%clk 0:06:29] } 51. dxe6 { [%eval -3.69] [%clk 0:28:05] } 51... Rxe6 { [%eval -4.03] [%clk 0:06:25] } 52. Rc1 { [%eval -4.11] [%clk 0:24:48] } 52... h4 { [%eval -4.08] [%clk 0:02:17] } 53. Nd4 { [%eval -4.73] [%clk 0:24:10] } 53... Re4 { [%eval -4.4] [%clk 0:02:46] } 54. Nb5 { [%eval -4.42] [%clk 0:24:28] } 54... Bf4 { [%eval -4.78] [%clk 0:01:13] } 55. Rc8 { [%eval -4.85] [%clk 0:23:26] } 55... h3 { [%eval -5.12] [%clk 0:01:14] } 56. Rh8 { [%eval -5.38] [%clk 0:19:55] } 56... h2 { [%eval -5.58] [%clk 0:01:08] } 57. Nc3 { [%eval -5.72] [%clk 0:20:00] } 57... Re1 { [%eval -5.81] [%clk 0:01:04] } 58. Nd5+?! { [%eval -8.32] } { Inaccuracy. Kxf4 was best. } { [%clk 0:18:24] } 58... Kg7 { [%eval -7.05] [%clk 0:01:21] } 59. Rh5 { [%eval -7.85] [%clk 0:18:39] } 59... Bb8 { [%eval -8.73] [%clk 0:00:46] } 0-1