Event: 4th Annual John T. Irwin National
Site: Cherry Hill, New Jersey, USA
Date: 2021-08-03
White: Koganov, Mikhail
WhiteTitle: NM
WhiteElo: 2119
Black: Fedorowicz, John P
BlackTitle: GM
BlackElo: 2424
Result: 1/2-1/2
ECO: A46
Opening: Indian Defense: London System
Variant: Standard
TimeControl: 5400+30

1. d4 { [%eval 0.0] [%clk 1:30:44] } 1... Nf6 { [%eval 0.19] [%clk 1:29:57] } 2. Nf3 { [%eval 0.12] [%clk 1:31:06] } 2... e6 { [%eval 0.0] [%clk 1:28:45] } 3. Bf4 { [%eval 0.0] [%clk 1:31:12] } 3... c5 { [%eval 0.0] [%clk 1:28:07] } 4. e3 { [%eval 0.0] [%clk 1:31:22] } 4... cxd4 { [%eval 0.25] [%clk 1:27:31] } 5. exd4 { [%eval 0.02] [%clk 1:31:41] } 5... b6 { [%eval 0.25] [%clk 1:27:25] } 6. Nbd2 { [%eval 0.22] [%clk 1:31:15] } 6... Bb7 { [%eval 0.56] [%clk 1:26:59] } 7. Bd3 { [%eval 0.16] [%clk 1:31:31] } 7... Be7 { [%eval 0.59] [%clk 1:26:55] } 8. O-O { [%eval 0.32] [%clk 1:31:37] } 8... O-O { [%eval 0.37] [%clk 1:26:46] } 9. h3 { [%eval 0.15] [%clk 1:31:50] } 9... d6 { [%eval 0.44] [%clk 1:25:46] } 10. c3 { [%eval 0.36] [%clk 1:31:49] } 10... Nbd7 { [%eval 0.59] [%clk 1:25:05] } 11. Qe2 { [%eval 0.4] [%clk 1:31:48] } 11... Re8 { [%eval 0.45] [%clk 1:23:56] } 12. Ne4 { [%eval 0.1] [%clk 1:24:09] } 12... Nxe4 { [%eval 0.01] [%clk 1:21:28] } 13. Bxe4 { [%eval 0.0] [%clk 1:24:11] } 13... Bxe4 { [%eval 0.05] [%clk 1:21:39] } 14. Qxe4 { [%eval 0.06] [%clk 1:24:18] } 14... Nf6 { [%eval 0.0] [%clk 1:21:32] } 15. Qe2 { [%eval 0.0] [%clk 1:24:07] } 15... Qc7 { [%eval 0.0] [%clk 1:21:29] } 16. Ne1 { [%eval -0.15] [%clk 1:17:07] } 16... Qc6 { [%eval -0.08] [%clk 1:19:27] } 17. Nd3 { [%eval -0.27] [%clk 1:13:27] } 17... Nd5 { [%eval -0.34] [%clk 1:19:09] } 18. Bd2 { [%eval -0.25] [%clk 1:06:03] } 18... Bf8 { [%eval 0.01] [%clk 1:17:26] } 19. Rac1 { [%eval -0.15] [%clk 0:49:06] } 19... b5 { [%eval -0.15] [%clk 1:14:33] } 20. a3 { [%eval -0.43] [%clk 0:47:34] } 20... a5 { [%eval -0.12] [%clk 1:13:43] } 21. Rfd1?! { [%eval -0.87] } { Inaccuracy. Qf3 was best. } { [%clk 0:42:09] } 21... Nb6 { [%eval -0.77] [%clk 1:13:36] } 22. Be1 { [%eval -1.05] [%clk 0:40:47] } 22... Nc4?! { [%eval -0.17] } { Inaccuracy. e5 was best. } { [%clk 1:12:44] } 23. Rc2? { [%eval -1.66] } { Mistake. b3 was best. } { [%clk 0:39:53] } 23... e5 { [%eval -1.84] [%clk 1:12:22] } 24. d5 { [%eval -1.66] [%clk 0:34:17] } 24... Qxd5 { [%eval -1.97] [%clk 1:09:36] } 25. Nb4 { [%eval -1.64] [%clk 0:34:33] } 25... Qc5 { [%eval -1.86] [%clk 1:09:05] } 26. Nd5 { [%eval -1.68] [%clk 0:34:55] } 26... a4 { [%eval -1.84] [%clk 1:07:47] } 27. Qg4 { [%eval -1.76] [%clk 0:29:11] } 27... Re6 { [%eval -1.54] [%clk 1:08:06] } 28. Kh2 { [%eval -1.92] [%clk 0:29:12] } 28... Rae8 { [%eval -1.72] [%clk 1:06:44] } 29. f3 { [%eval -2.05] [%clk 0:28:49] } 29... g6 { [%eval -2.12] [%clk 1:05:22] } 30. Bf2 { [%eval -2.13] [%clk 0:27:27] } 30... Qc8 { [%eval -2.1] [%clk 1:05:43] } 31. Nb6?! { [%eval -3.06] } { Inaccuracy. Qh4 was best. } { [%clk 0:25:59] } 31... Nxb6 { [%eval -3.0] [%clk 1:05:56] } 32. Bxb6 { [%eval -3.11] [%clk 0:26:27] } 32... d5 { [%eval -3.18] [%clk 1:05:14] } 33. Bg1 { [%eval -3.25] [%clk 0:23:50] } 33... h5 { [%eval -3.08] [%clk 1:04:34] } 34. Qg5 { [%eval -3.33] [%clk 0:23:51] } 34... d4 { [%eval -3.77] [%clk 1:04:40] } 35. Qd2 { [%eval -3.71] [%clk 0:23:49] } 35... Rc6 { [%eval -3.56] [%clk 1:03:12] } 36. Rdc1 { [%eval -3.79] [%clk 0:23:47] } 36... dxc3? { [%eval -2.33] } { Mistake. Qb8 was best. } { [%clk 1:02:35] } 37. Rxc3 { [%eval -2.42] [%clk 0:24:11] } 37... Rxc3 { [%eval -2.14] [%clk 1:02:59] } 38. Rxc3 { [%eval -2.32] [%clk 0:24:35] } 38... Qb8 { [%eval -2.55] [%clk 1:02:56] } 39. Kh1 { [%eval -2.05] [%clk 0:23:16] } 39... b4 { [%eval -2.04] [%clk 1:02:22] } 40. Rc4? { [%eval -3.63] } { Mistake. Rc6 was best. } { [%clk 0:23:09] } 40... bxa3? { [%eval -2.08] } { Mistake. Qb5 was best. } { [%clk 1:02:46] } 41. bxa3 { [%eval -2.15] [%clk 0:23:37] } 41... Qb3 { [%eval -1.82] [%clk 1:01:08] } 42. Qd7? { [%eval -3.71] } { Mistake. Rc7 was best. } { [%clk 0:23:14] } 42... Ra8?? { [%eval -0.79] } { Blunder. Qxc4 was best. } { [%clk 0:51:53] } 43. Qc6 { [%eval -0.83] [%clk 0:23:09] } 43... Ra5 { [%eval -1.25] [%clk 0:50:19] } 44. Rc3?! { [%eval -1.98] } { Inaccuracy. Bf2 was best. } { [%clk 0:20:59] } 44... Qb2? { [%eval -0.51] } { Mistake. Qd5 was best. } { [%clk 0:49:45] } 45. Qc8 { [%eval -0.72] [%clk 0:19:04] } 45... Kg7?? { [%eval 1.45] } { Blunder. Rb5 was best. } { [%clk 0:46:43] } 46. Rc7 { [%eval 1.5] [%clk 0:18:54] } 46... Qb3 { [%eval 2.88] [%clk 0:45:25] } 47. Qe8 { [%eval 1.95] [%clk 0:18:07] } 47... Qd5?! { [%eval 2.8] } { Inaccuracy. h4 was best. } { [%clk 0:43:18] } 48. Be3?? { [%eval 0.0] } { Blunder. Rd7 was best. } { [%clk 0:17:57] } 48... Ra8 { [%eval 0.0] [%clk 0:41:36] } 49. Rxf7+ { [%eval 0.0] [%clk 0:18:00] } 1/2-1/2