Event: Round 3.1: Yoo, Christopher - Alexander Katz
Date: 2021-06-21
White: Yoo, Christopher
Black: Alexander Katz
BlackTitle: IM
Result: 1/2-1/2
ECO: D37
Opening: Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 0:03:03] } 1... Nf6 { [%eval 0.19] [%clk 0:03:03] } 2. Nf3 { [%eval 0.12] [%clk 0:03:03] } 2... e6 { [%eval 0.27] [%clk 0:03:04] } 3. c4 { [%eval 0.0] [%clk 0:03:03] } 3... d5 { [%eval 0.0] [%clk 0:03:05] } 4. Nc3 { [%eval 0.0] [%clk 0:03:03] } 4... Be7 { [%eval 0.0] [%clk 0:03:06] } 5. Bf4 { [%eval 0.0] [%clk 0:03:04] } 5... O-O { [%eval 0.27] [%clk 0:03:06] } 6. e3 { [%eval 0.0] [%clk 0:03:04] } 6... Nbd7 { [%eval 0.13] [%clk 0:03:04] } 7. a3 { [%eval 0.17] [%clk 0:03:05] } 7... c5 { [%eval 0.14] [%clk 0:02:54] } 8. cxd5 { [%eval 0.27] [%clk 0:03:05] } 8... exd5 { [%eval 0.34] [%clk 0:02:44] } 9. dxc5 { [%eval 0.38] [%clk 0:02:46] } 9... Nxc5 { [%eval 0.35] [%clk 0:02:42] } 10. Be2 { [%eval 0.3] [%clk 0:02:44] } 10... Bg4 { [%eval 0.74] [%clk 0:02:41] } 11. O-O { [%eval 0.73] [%clk 0:02:44] } 11... Nce4 { [%eval 0.72] [%clk 0:02:33] } 12. Be5 { [%eval 0.78] [%clk 0:02:41] } 12... Rc8 { [%eval 0.63] [%clk 0:02:20] } 13. h3 { [%eval 0.65] [%clk 0:02:40] } 13... Bh5 { [%eval 1.1] [%clk 0:02:21] } 14. Rc1 { [%eval 1.26] [%clk 0:02:24] } 14... a6 { [%eval 1.25] [%clk 0:02:04] } 15. Nxe4?! { [%eval 0.57] } { Inaccuracy. Bxf6 was best. } { [%clk 0:01:46] } 15... dxe4 { [%eval 0.63] [%clk 0:01:53] } 16. Rxc8 { [%eval 0.51] [%clk 0:01:41] } 16... Qxc8 { [%eval 0.5] [%clk 0:01:52] } 17. Nd4 { [%eval 0.56] [%clk 0:01:37] } 17... Bxe2 { [%eval 0.61] [%clk 0:01:52] } 18. Qxe2 { [%eval 0.15] [%clk 0:01:35] } 18... Qc5 { [%eval 0.02] [%clk 0:01:45] } 19. Bg3 { [%eval 0.03] [%clk 0:01:30] } 19... Rc8 { [%eval 0.08] [%clk 0:01:42] } 20. Rd1 { [%eval 0.21] [%clk 0:01:29] } 20... Bf8 { [%eval 0.64] [%clk 0:01:37] } 21. Bh4 { [%eval 0.49] [%clk 0:01:26] } 21... Nd5? { [%eval 1.95] } { Mistake. g5 was best. } { [%clk 0:01:27] } 22. Qg4 { [%eval 1.71] [%clk 0:01:15] } 22... Re8? { [%eval 3.43] } { Mistake. Rc7 was best. } { [%clk 0:01:18] } 23. Qd7 { [%eval 3.63] [%clk 0:01:15] } 23... Re5 { [%eval 4.22] [%clk 0:00:49] } 24. Qxb7 { [%eval 4.31] [%clk 0:01:03] } 24... Rh5 { [%eval 5.1] [%clk 0:00:40] } 25. Bg3 { [%eval 4.92] [%clk 0:01:02] } 25... Rg5 { [%eval 5.46] [%clk 0:00:32] } 26. Nb3? { [%eval 3.06] } { Mistake. b4 was best. } { [%clk 0:00:35] } 26... Qb6 { [%eval 3.3] [%clk 0:00:14] } 27. Qxb6 { [%eval 3.16] [%clk 0:00:34] } 27... Nxb6 { [%eval 3.55] [%clk 0:00:15] } 28. Rd8 { [%eval 3.29] [%clk 0:00:34] } 28... Nc4?! { [%eval 4.98] } { Inaccuracy. Rd5 was best. } { [%clk 0:00:15] } 29. Nd2 { [%eval 5.04] [%clk 0:00:24] } 29... Nxd2 { [%eval 5.23] [%clk 0:00:10] } 30. Bd6 { [%eval 5.26] [%clk 0:00:22] } 30... h5 { [%eval 5.42] [%clk 0:00:06] } 31. Rxf8+?! { [%eval 3.81] } { Inaccuracy. Bxf8 was best. } { [%clk 0:00:22] } 31... Kh7 { [%eval 3.84] [%clk 0:00:07] } 32. Rxf7 { [%eval 3.95] [%clk 0:00:20] } 32... Nf3+ { [%eval 4.56] [%clk 0:00:07] } 33. Kh1 { [%eval 4.3] [%clk 0:00:18] } 33... Ne1 { [%eval 4.41] [%clk 0:00:08] } 34. Bg3?! { [%eval 3.52] } { Inaccuracy. h4 was best. } { [%clk 0:00:16] } 34... Nd3 { [%eval 3.9] [%clk 0:00:09] } 35. b4 { [%eval 3.84] [%clk 0:00:14] } 35... a5 { [%eval 3.84] [%clk 0:00:10] } 36. Rb7 { [%eval 3.88] [%clk 0:00:15] } 36... axb4 { [%eval 3.83] [%clk 0:00:12] } 37. axb4 { [%eval 4.04] [%clk 0:00:16] } 37... Rf5 { [%eval 4.03] [%clk 0:00:12] } 38. Kg1 { [%eval 3.93] [%clk 0:00:17] } 38... Kh6 { [%eval 4.14] [%clk 0:00:11] } 39. h4 { [%eval 4.06] [%clk 0:00:18] } 39... Rd5 { [%eval 4.23] [%clk 0:00:11] } 40. Kf1 { [%eval 3.97] [%clk 0:00:16] } 40... Nc1 { [%eval 4.23] } 41. Bf4+?! { [%eval 3.2] } { Inaccuracy. Kg1 was best. } { [%clk 0:00:12] } 41... Kh7 { [%eval 3.91] [%clk 0:00:12] } 42. g3?? { [%eval 1.11] } { Blunder. Kg1 was best. } { [%clk 0:00:11] } 42... Nd3?? { [%eval 4.02] } { Blunder. Rd1+ was best. } { [%clk 0:00:08] } 43. b5?? { [%eval 1.87] } { Blunder. Re7 was best. } { [%clk 0:00:07] } 43... Rc5 { [%eval 2.24] [%clk 0:00:09] } 44. b6?? { [%eval 0.0] } { Blunder. g4 was best. } { [%clk 0:00:03] } 44... Rc1+ { [%eval 0.01] [%clk 0:00:11] } 45. Ke2 { [%eval 0.0] } 45... Rc2+ { [%eval 0.0] [%clk 0:00:11] } 46. Kd1 { [%eval 0.0] [%clk 0:00:05] } 46... Rb2 { [%eval 0.0] [%clk 0:00:11] } 47. Rd7 { [%eval 0.01] [%clk 0:00:04] } 47... Nxf2+ { [%eval 0.0] [%clk 0:00:12] } 48. Kc1 { [%eval 0.0] [%clk 0:00:05] } 48... Rxb6 { [%eval 0.0] [%clk 0:00:12] } 49. Kd2 { [%eval 0.02] [%clk 0:00:03] } 49... Nd3 { [%eval 0.0] [%clk 0:00:10] } 50. Kc3 { [%eval 0.0] [%clk 0:00:04] } 50... Nc5?! { [%eval 0.79] } { Inaccuracy. Nxf4 was best. } { [%clk 0:00:09] } 51. Rd5 { [%eval 0.51] [%clk 0:00:05] } 51... Ne6? { [%eval 1.75] } { Mistake. Nd3 was best. } 52. Rxh5+ { [%eval 1.24] [%clk 0:00:06] } 52... Kg6 { [%eval 1.5] } 53. Re5 { [%eval 1.67] [%clk 0:00:06] } 53... Rc6+ { [%eval 1.76] [%clk 0:00:11] } 54. Kb4 { [%eval 1.4] [%clk 0:00:07] } 54... Rb6+?! { [%eval 2.15] } { Inaccuracy. Nxf4 was best. } { [%clk 0:00:10] } 55. Kc4 { [%eval 2.13] [%clk 0:00:08] } 55... Ra6? { [%eval 3.61] } { Mistake. Kf6 was best. } { [%clk 0:00:09] } 56. Rxe4?? { [%eval 1.63] } { Blunder. Kd5 was best. } { [%clk 0:00:06] } 56... Kf5 { [%eval 1.45] [%clk 0:00:09] } 57. Re5+ { [%eval 1.72] [%clk 0:00:08] } 57... Kg4 { [%eval 1.46] [%clk 0:00:11] } 58. Kd5 { [%eval 1.14] [%clk 0:00:04] } 58... Nc7+ { [%eval 1.39] [%clk 0:00:12] } 59. Ke4 { [%eval 1.38] [%clk 0:00:06] } 59... Ra4+?? { [%eval 3.57] } { Blunder. Ne6 was best. } { [%clk 0:00:13] } 60. Kd3 { [%eval 3.74] [%clk 0:00:07] } 60... Na6 { [%eval 4.42] [%clk 0:00:12] } 61. Rg5+ { [%eval 4.61] [%clk 0:00:07] } 61... Kf3 { [%eval 4.38] [%clk 0:00:13] } 62. Rxg7?! { [%eval 3.34] } { Inaccuracy. Kc3 was best. } { [%clk 0:00:08] } 62... Nc5+ { [%eval 3.17] [%clk 0:00:15] } 63. Kc3 { [%eval 3.31] [%clk 0:00:09] } 63... Ne4+ { [%eval 3.42] [%clk 0:00:16] } 64. Kc2 { [%eval 3.24] [%clk 0:00:10] } 64... Rc4+ { [%eval 3.42] [%clk 0:00:13] } 65. Kb2 { [%eval 3.0] [%clk 0:00:10] } 65... Rb4+ { [%eval 3.2] [%clk 0:00:13] } 66. Ka3 { [%eval 2.76] [%clk 0:00:11] } 66... Rb5 { [%eval 2.37] [%clk 0:00:14] } 67. Rg6 { [%eval 2.98] [%clk 0:00:09] } 67... Nc3 { [%eval 2.93] [%clk 0:00:14] } 68. Rc6 { [%eval 2.91] [%clk 0:00:09] } 68... Nd5 { [%eval 2.99] [%clk 0:00:10] } 69. Re6 { [%eval 2.7] [%clk 0:00:06] } 69... Nc3 { [%eval 2.84] [%clk 0:00:08] } 70. Rc6 { [%eval 2.67] [%clk 0:00:07] } 70... Nd5 { [%eval 3.23] [%clk 0:00:10] } 71. h5?? { [%eval 0.0] } { Blunder. Ka4 was best. } { [%clk 0:00:08] } 71... Nxf4 { [%eval 0.0] [%clk 0:00:09] } 72. gxf4 { [%eval 0.0] [%clk 0:00:04] } 72... Kxe3 { [%eval 0.0] [%clk 0:00:09] } 73. h6 { [%eval 0.0] [%clk 0:00:05] } 73... Kxf4 { [%eval 0.0] [%clk 0:00:09] } 74. h7 { [%eval 0.0] [%clk 0:00:03] } 74... Rh5 { [%eval 0.0] [%clk 0:00:10] } 75. Rc4+ { [%eval 0.0] [%clk 0:00:05] } 75... Kg3 { [%eval 0.0] [%clk 0:00:10] } 76. Rc7 { [%eval 0.0] [%clk 0:00:06] } 76... Kf4 { [%eval 0.0] [%clk 0:00:10] } 77. Kb4 { [%eval 0.0] [%clk 0:00:06] } 77... Rh1 { [%eval 0.0] [%clk 0:00:11] } 78. Kc5 { [%eval 0.0] [%clk 0:00:04] } 78... Kf5 { [%eval 0.0] [%clk 0:00:12] } 79. Kd6 { [%eval 0.0] [%clk 0:00:04] } 79... Kg6 { [%eval 0.0] [%clk 0:00:13] } 80. Ke6 { [%eval 0.0] [%clk 0:00:05] } 80... Rxh7 { [%eval 0.0] [%clk 0:00:13] } 81. Rxh7 { [%eval 0.0] [%clk 0:00:06] } 81... Kxh7 { [%clk 0:00:07] } 1/2-1/2