Event: Round 2: Matthew Diao - Isaac Wang
Site: https://lichess.org/study/ZVHElfH7/FdnPUfbx
Date: 2022-05-13
White: Matthew Diao
Black: Isaac Wang
Result: 0-1
ECO: D38
Opening: Queen's Gambit Declined: Ragozin Defense
Variant: Standard

1. d4 { [%eval 0.21] [%clk 1:30:00] } 1... Nf6 { [%eval 0.23] [%clk 1:30:00] } 2. c4 { [%eval 0.2] [%clk 1:29:54] } 2... e6 { [%eval 0.23] [%clk 1:30:00] } 3. Nf3 { [%eval 0.0] [%clk 1:29:51] } 3... d5 { [%eval 0.17] [%clk 1:30:00] } 4. Nc3 { [%eval 0.0] [%clk 1:29:35] } 4... Bb4 { [%eval 0.15] [%clk 1:29:59] } 5. Qc2 { [%eval 0.0] [%clk 1:29:10] } 5... dxc4 { [%eval 0.13] [%clk 1:24:09] } 6. e3 { [%eval -0.21] [%clk 1:24:45] } 6... b5 { [%eval -0.39] [%clk 1:22:53] } 7. a4 { [%eval -0.4] [%clk 1:20:30] } 7... c6 { [%eval -0.75] [%clk 1:21:44] } 8. axb5 { [%eval -0.99] [%clk 1:17:15] } 8... cxb5 { [%eval -0.93] [%clk 1:21:27] } 9. b3?? { [%eval -3.16] } { Blunder. Bd2 was best. } { [%clk 1:16:43] } 9... O-O?? { [%eval -0.33] } { Blunder. Nd5 was best. } { [%clk 1:18:18] } 10. Bd2 { [%eval -0.48] [%clk 1:11:05] } 10... Bxc3?! { [%eval 0.32] } { Inaccuracy. Bb7 was best. } { [%clk 1:11:49] } 11. Qxc3? { [%eval -0.79] } { Mistake. Bxc3 was best. } { [%clk 1:10:40] } 11... Bb7?! { [%eval 0.2] } { Inaccuracy. a5 was best. } { [%clk 1:06:19] } 12. bxc4 { [%eval 0.3] [%clk 1:08:39] } 12... bxc4 { [%eval 0.22] [%clk 1:02:16] } 13. Bxc4 { [%eval 0.2] [%clk 1:06:36] } 13... Bxf3?! { [%eval 0.83] } { Inaccuracy. a5 was best. } { [%clk 0:57:12] } 14. gxf3 { [%eval 0.91] [%clk 1:06:24] } 14... Nbd7 { [%eval 0.74] [%clk 0:56:17] } 15. Qd3 { [%eval 0.34] [%clk 1:00:29] } 15... Qe7?! { [%eval 1.01] } { Inaccuracy. a5 was best. } { [%clk 0:51:40] } 16. O-O { [%eval 0.87] [%clk 0:37:03] } 16... e5 { [%eval 1.25] [%clk 0:49:22] } 17. Bc3?! { [%eval 0.54] } { Inaccuracy. Rfb1 was best. } { [%clk 0:36:03] } 17... e4?! { [%eval 1.07] } { Inaccuracy. a5 was best. } { [%clk 0:47:37] } 18. fxe4 { [%eval 1.13] [%clk 0:34:26] } 18... Nxe4 { [%eval 1.13] [%clk 0:47:05] } 19. f3?? { [%eval -0.79] } { Blunder. Be1 was best. } { [%clk 0:30:49] } 19... Nxc3 { [%eval -0.5] [%clk 0:44:34] } 20. Qxc3 { [%eval -0.62] [%clk 0:30:45] } 20... Rac8 { [%eval -0.67] [%clk 0:36:55] } 21. Qd3 { [%eval -0.54] [%clk 0:20:46] } 21... Nb6 { [%eval -0.08] [%clk 0:33:56] } 22. Bb3 { [%eval -0.32] [%clk 0:20:06] } 22... Rfe8 { [%eval -0.05] [%clk 0:29:40] } 23. Rfe1 { [%eval -0.32] [%clk 0:16:38] } 23... g6 { [%eval -0.08] [%clk 0:23:48] } 24. Kh1 { [%eval -0.02] [%clk 0:12:57] } 24... Kg7 { [%eval 0.0] [%clk 0:21:45] } 25. e4 { [%eval 0.0] [%clk 0:11:30] } 25... Rc7 { [%eval 0.0] [%clk 0:18:03] } 26. Rac1 { [%eval -0.15] [%clk 0:09:27] } 26... Rec8 { [%eval -0.11] [%clk 0:17:31] } 27. Rc2? { [%eval -1.42] } { Mistake. Rxc7 was best. } { [%clk 0:05:59] } 27... Rxc2 { [%eval -1.12] [%clk 0:13:37] } 28. Bxc2 { [%eval -1.21] [%clk 0:05:59] } 28... Qb4 { [%eval -0.76] [%clk 0:11:44] } 29. Rd1?? { [%eval -3.0] } { Blunder. Rb1 was best. } { [%clk 0:04:23] } 29... Rc3 { [%eval -2.54] [%clk 0:09:30] } 30. Qe2 { [%eval -3.16] [%clk 0:04:23] } 30... a5 { [%eval -2.54] [%clk 0:09:03] } 31. d5?! { [%eval -3.24] } { Inaccuracy. e5 was best. } { [%clk 0:04:17] } 31... Qc5 { [%eval -2.78] [%clk 0:08:09] } 32. Bd3?! { [%eval -3.57] } { Inaccuracy. Bb1 was best. } { [%clk 0:03:38] } 32... a4 { [%eval -3.73] [%clk 0:07:16] } 33. Qb2?! { [%eval -4.87] } { Inaccuracy. h4 was best. } { [%clk 0:02:42] } 33... a3 { [%eval -4.97] [%clk 0:06:39] } 34. Qa1 { [%eval -5.73] [%clk 0:02:12] } 34... Na4 { [%eval -5.62] [%clk 0:05:56] } 35. Rc1 { [%eval -6.18] [%clk 0:01:56] } 35... Nb2 { [%eval -6.18] [%clk 0:05:35] } 36. Rxc3 { [%eval -6.01] [%clk 0:01:56] } 36... Qxc3 { [%eval -5.81] [%clk 0:05:26] } 37. Be2 { [%eval -6.85] [%clk 0:01:53] } 37... Qe3 { [%eval -5.51] [%clk 0:04:50] } 38. Bd1?! { [%eval -8.64] } { Inaccuracy. Qe1 was best. } { [%clk 0:01:28] } 38... Qe1+ { [%eval -9.09] [%clk 0:04:37] } 39. Kg2 { [%eval -8.61] [%clk 0:01:28] } 39... Qxd1 { [%eval -8.82] [%clk 0:03:47] } 40. Qxa3 { [%eval -8.81] [%clk 0:01:28] } 40... Qd2+ { [%eval -8.43] [%clk 0:03:01] } 41. Kh3 { [%eval -9.76] [%clk 0:01:10] } 41... Nd3 { [%eval -9.41] [%clk 0:02:26] } 42. Qa1+ { [%eval -10.97] [%clk 0:01:10] } 42... f6 { [%eval -9.06] [%clk 0:01:36] } 43. Qf1 { [%eval -23.62] [%clk 0:01:02] } 43... Nf4+ { [%eval #-21] [%clk 0:01:34] } 44. Kg3 { [%eval -48.66] [%clk 0:01:02] } 44... h5 { [%eval -7.49] [%clk 0:01:24] } 45. h4 { [%eval -9.83] [%clk 0:00:27] } 45... Nd3 { [%eval -7.7] [%clk 0:00:41] } 46. Kh3 { [%eval -8.67] [%clk 0:00:20] } 46... Ne5 { [%eval -8.17] [%clk 0:00:33] } 47. Kg3 { [%eval -9.8] [%clk 0:00:16] } 47... g5 { [%eval -9.74] [%clk 0:00:30] } 48. hxg5 { [%eval -13.03] [%clk 0:00:16] } 48... fxg5 { [%eval -10.13] [%clk 0:00:29] } 49. Kh3 { [%eval -12.85] [%clk 0:00:08] } 49... Qf4 { [%eval -11.57] [%clk 0:00:25] } 50. Kg2 { [%eval -12.22] [%clk 0:00:08] } 50... Ng6 { [%eval -7.62] [%clk 0:00:25] } 51. Qf2 { [%eval -11.56] [%clk 0:00:08] } 51... Nh4+ { [%eval -12.32] [%clk 0:00:25] } 52. Kg1 { [%eval -12.18] [%clk 0:00:08] } 52... Nxf3+ { [%eval -11.3] [%clk 0:00:25] } 53. Kg2 { [%eval -15.5] [%clk 0:00:08] } 53... Nh4+ { [%eval -16.06] [%clk 0:00:23] } 54. Kf1 { [%eval -14.95] [%clk 0:00:08] } 54... Qxe4 { [%eval -13.66] [%clk 0:00:17] } 55. Qa7+ { [%eval -13.33] [%clk 0:00:08] } 55... Kg6 { [%eval -15.65] [%clk 0:00:17] } 56. Qa6+ { [%eval -14.06] [%clk 0:00:05] } 56... Kf5 { [%eval -14.17] [%clk 0:00:17] } 57. Qc8+ { [%eval -14.46] [%clk 0:00:05] } 57... Kf4 { [%eval -15.37] [%clk 0:00:15] } 58. Qc7+ { [%eval -14.25] [%clk 0:00:05] } 58... Kg4 { [%eval -15.02] [%clk 0:00:15] } 59. d6?! { [%eval #-3] } { Checkmate is now unavoidable. Qc3 was best. } { [%clk 0:00:04] } 59... Qd3+ { [%eval #-4] [%clk 0:00:15] } 60. Kf2 { [%eval #-4] [%clk 0:00:04] } 60... Qd2+ { [%eval #-3] [%clk 0:00:15] } 61. Kf1 { [%eval #-3] [%clk 0:00:04] } 61... Qf4+?! { [%eval -14.72] } { Lost forced checkmate sequence. Qg2+ was best. } { [%clk 0:00:09] } 62. Ke1?! { [%eval #-6] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:00:04] } 62... Nf5?! { [%eval -16.5] } { Lost forced checkmate sequence. Nf3+ was best. } { [%clk 0:00:09] } 63. Qd7 { [%eval -27.11] [%clk 0:00:04] } 63... Qxd6 { [%eval -19.13] [%clk 0:00:09] } 64. Qa4+ { [%eval -24.08] [%clk 0:00:04] } 64... Qf4 { [%eval -19.6] [%clk 0:00:09] } 65. Qc2?! { [%eval #-17] } { Checkmate is now unavoidable. Qd1+ was best. } { [%clk 0:00:04] } 65... Qe3+ { [%eval #-23] [%clk 0:00:09] } 66. Kf1 { [%eval #-4] [%clk 0:00:04] } 66... Ng3+ { [%eval #-3] [%clk 0:00:09] } 67. Kg2 { [%eval #-3] [%clk 0:00:04] } 67... Qf3+ { [%eval #-2] [%clk 0:00:09] } 68. Kh2 { [%eval #-1] [%clk 0:00:04] } 68... Nf1+ { [%eval #-17] [%clk 0:00:09] } 69. Kg1 { [%eval -28.88] [%clk 0:00:04] } 69... Ne3 { [%eval -65.76] [%clk 0:00:09] } 70. Qa4+?! { [%eval #-3] } { Checkmate is now unavoidable. Qf2 was best. } { [%clk 0:00:04] } 70... Qf4 { [%eval #-19] [%clk 0:00:09] } 71. Qa2 { [%eval -29.55] [%clk 0:00:04] } 71... Qg3+ { [%eval #-15] [%clk 0:00:09] } 72. Kh1 { [%eval -27.48] [%clk 0:00:04] } 72... Qg2+ { [%eval #-14] [%clk 0:00:08] } 73. Qxg2+ { [%eval #-14] [%clk 0:00:04] } 73... Nxg2 { [%eval #-13] } 74. Kxg2 { [%eval #-13] [%clk 0:00:04] } 74... h4 { [%eval #-13] [%clk 0:00:08] } 75. Kh2 { [%eval #-12] [%clk 0:00:04] } 75... Kf3 { [%eval #-12] [%clk 0:00:08] } 76. Kh1 { [%eval #-9] [%clk 0:00:04] } 76... g4 { [%eval #-8] [%clk 0:00:08] } 77. Kh2 { [%eval #-7] [%clk 0:00:04] } 77... Kf2 { [%eval #-10] [%clk 0:00:08] } 78. Kh1 { [%eval #-9] [%clk 0:00:04] } 78... h3 { [%eval #-8] [%clk 0:00:08] } 79. Kh2 { [%eval #-8] [%clk 0:00:04] } 79... g3+ { [%eval #-10] [%clk 0:00:08] } 80. Kxh3 { [%eval #-9] [%clk 0:00:04] } 80... g2 { [%eval #-10] [%clk 0:00:08] } 0-1