Event: Round 6: Oliver Barbosa - Vincent Tsay
Site: https://lichess.org/study/C4vBn1TJ/fw6Y1VMg
Date: 2023-01-15
White: Oliver Barbosa
WhiteTitle: GM
Black: Vincent Tsay
BlackTitle: FM
Result: 1-0
ECO: E04
Opening: Catalan Opening: Open Defense, Modern Sharp Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... d5 { [%eval 0.27] [%clk 1:25:40] } 2. c4 { [%eval 0.29] [%clk 1:31:13] } 2... e6 { [%eval 0.3] [%clk 1:26:04] } 3. Nf3 { [%eval 0.0] [%clk 1:31:37] } 3... Nf6 { [%eval 0.17] [%clk 1:26:29] } 4. g3 { [%eval 0.2] [%clk 1:32:00] } 4... dxc4 { [%eval 0.4] [%clk 1:26:53] } 5. Bg2 { [%eval 0.14] [%clk 1:32:17] } 5... Nc6 { [%eval 0.3] [%clk 1:27:15] } 6. Qa4 { [%eval 0.48] [%clk 1:30:34] } 6... Bb4+ { [%eval 0.26] [%clk 1:27:35] } 7. Bd2 { [%eval 0.47] [%clk 1:30:56] } 7... Nd5 { [%eval 0.21] [%clk 1:27:55] } 8. Bxb4 { [%eval 0.36] [%clk 1:30:05] } 8... Nxb4 { [%eval 0.32] [%clk 1:28:22] } 9. Nc3 { [%eval 0.32] [%clk 1:30:07] } 9... Bd7 { [%eval 0.43] [%clk 1:26:05] } 10. O-O { [%eval 0.35] [%clk 1:29:17] } 10... a5 { [%eval 0.26] [%clk 1:24:03] } 11. Qd1 { [%eval 0.29] [%clk 1:20:45] } 11... O-O { [%eval 0.46] [%clk 1:24:03] } 12. e3 { [%eval 0.37] [%clk 1:16:46] } 12... a4 { [%eval 0.3] [%clk 1:20:32] } 13. Nxa4 { [%eval 0.27] [%clk 1:08:42] } 13... Nxd4 { [%eval 0.32] [%clk 1:20:35] } 14. Qxd4 { [%eval 0.25] [%clk 1:07:06] } 14... Bxa4 { [%eval 0.26] [%clk 1:15:42] } 15. Qxc4 { [%eval 0.23] [%clk 1:06:40] } 15... Nd5 { [%eval 0.58] [%clk 1:12:02] } 16. Rfc1 { [%eval 0.26] [%clk 1:04:44] } 16... c6 { [%eval 0.23] [%clk 0:52:17] } 17. e4 { [%eval 0.11] [%clk 0:42:15] } 17... Nf6 { [%eval 0.21] [%clk 0:50:31] } 18. e5 { [%eval 0.25] [%clk 0:35:52] } 18... Bb5 { [%eval 0.09] [%clk 0:46:19] } 19. Qc2 { [%eval 0.19] [%clk 0:30:50] } 19... Nd5 { [%eval 0.12] [%clk 0:45:17] } 20. Rd1 { [%eval -0.08] [%clk 0:29:55] } 20... Qe7 { [%eval 0.13] [%clk 0:43:59] } 21. h4 { [%eval 0.15] [%clk 0:24:19] } 21... h6 { [%eval 0.03] [%clk 0:43:57] } 22. Nd4 { [%eval 0.0] [%clk 0:24:27] } 22... Ba6 { [%eval 0.16] [%clk 0:42:10] } 23. a3 { [%eval -0.21] [%clk 0:24:26] } 23... Rfd8 { [%eval -0.1] [%clk 0:40:06] } 24. Nb3 { [%eval -0.25] [%clk 0:24:19] } 24... Qc7 { [%eval -0.16] [%clk 0:31:53] } 25. Re1 { [%eval -0.25] [%clk 0:24:14] } 25... b6 { [%eval -0.06] [%clk 0:28:57] } 26. Rad1 { [%eval -0.01] [%clk 0:22:34] } 26... Rd7 { [%eval 0.0] [%clk 0:26:49] } 27. Nd4 { [%eval 0.07] [%clk 0:21:25] } 27... Bb7 { [%eval 0.06] [%clk 0:16:05] } 28. Rc1 { [%eval 0.0] [%clk 0:17:43] } 28... Rc8 { [%eval 0.09] [%clk 0:15:21] } 29. Qb3 { [%eval 0.0] [%clk 0:17:12] } 29... Qd8 { [%eval 0.13] [%clk 0:14:44] } 30. Red1 { [%eval 0.0] [%clk 0:13:18] } 30... Nf4?! { [%eval 0.93] } { Inaccuracy. Qc7 was best. } { [%clk 0:08:57] } 31. gxf4 { [%eval 0.93] [%clk 0:11:35] } 31... Rxd4 { [%eval 0.9] [%clk 0:09:23] } 32. Rxd4 { [%eval 0.95] [%clk 0:09:08] } 32... Qxd4 { [%eval 0.9] [%clk 0:09:51] } 33. Rd1 { [%eval 0.84] [%clk 0:08:37] } 33... Qc5 { [%eval 1.03] [%clk 0:08:30] } 34. Rd7 { [%eval 0.93] [%clk 0:07:06] } 34... Ba6 { [%eval 0.84] [%clk 0:07:43] } 35. Qd1 { [%eval 1.26] [%clk 0:07:12] } 35... Qc4 { [%eval 1.05] [%clk 0:04:25] } 36. Rd4 { [%eval 1.04] [%clk 0:06:04] } 36... Qe2 { [%eval 0.96] [%clk 0:04:34] } 37. Rd8+ { [%eval 0.85] [%clk 0:06:01] } 37... Rxd8 { [%eval 0.84] [%clk 0:04:40] } 38. Qxd8+ { [%eval 0.8] [%clk 0:06:28] } 38... Kh7 { [%eval 0.79] [%clk 0:05:06] } 39. Qxb6 { [%eval 0.85] [%clk 0:06:51] } 39... Bd3 { [%eval 1.21] [%clk 0:04:24] } 40. Qe3 { [%eval 1.1] [%clk 0:05:49] } 40... Qc2?! { [%eval 1.87] } { Inaccuracy. Qd1+ was best. } { [%clk 0:03:33] } 41. b4?! { [%eval 0.83] } { Inaccuracy. Bxc6 was best. } { [%clk 0:05:22] } 41... Bf5 { [%eval 0.69] [%clk 0:03:30] } 42. Kh2 { [%eval 0.77] [%clk 0:05:25] } 42... g6 { [%eval 0.73] [%clk 0:03:20] } 43. Qc5 { [%eval 0.5] [%clk 0:03:33] } 43... Qd2 { [%eval 0.72] [%clk 0:03:26] } 44. Qe3 { [%eval 0.78] [%clk 0:03:54] } 44... Qc2 { [%eval 0.73] [%clk 0:03:47] } 45. Bf3 { [%eval 0.98] [%clk 0:03:35] } 45... Kg7 { [%eval 1.18] [%clk 0:03:34] } 46. Kg2 { [%eval 0.88] [%clk 0:03:47] } 46... Qc4 { [%eval 0.9] [%clk 0:03:41] } 47. Kg3 { [%eval 0.44] [%clk 0:03:00] } 47... Qf1?! { [%eval 1.08] } { Inaccuracy. h5 was best. } { [%clk 0:03:40] } 48. Bg2 { [%eval 0.78] [%clk 0:03:09] } 48... Qc4 { [%eval 0.54] [%clk 0:03:25] } 49. Qf3 { [%eval 0.0] [%clk 0:02:53] } 49... c5 { [%eval 0.01] [%clk 0:03:35] } 50. bxc5 { [%eval 0.0] [%clk 0:03:03] } 50... Qxc5 { [%eval 0.0] [%clk 0:04:04] } 51. Qe3 { [%eval 0.0] [%clk 0:02:06] } 51... Qc4 { [%eval 0.0] [%clk 0:04:24] } 52. Kh2 { [%eval 0.0] [%clk 0:02:23] } 52... Qa4 { [%eval 0.0] [%clk 0:04:23] } 53. Bf1 { [%eval 0.0] [%clk 0:02:00] } 53... Qc2 { [%eval 0.01] [%clk 0:03:53] } 54. Qd4 { [%eval -0.05] [%clk 0:01:58] } 54... Qb3 { [%eval 0.0] [%clk 0:03:22] } 55. a4 { [%eval 0.0] [%clk 0:02:10] } 55... Qa3 { [%eval 0.0] [%clk 0:03:33] } 56. Kg1 { [%eval 0.0] [%clk 0:02:03] } 56... Bc2 { [%eval 0.0] [%clk 0:03:07] } 57. Bb5 { [%eval -0.08] [%clk 0:02:03] } 57... Qf3 { [%eval -0.06] [%clk 0:02:57] } 58. Kf1 { [%eval -0.59] [%clk 0:01:11] } 58... Be4 { [%eval -0.5] [%clk 0:02:57] } 59. a5?! { [%eval -1.3] } { Inaccuracy. Ke1 was best. } { [%clk 0:00:36] } 59... Qxf4 { [%eval -1.1] [%clk 0:02:47] } 60. Qc5?! { [%eval -1.8] } { Inaccuracy. Qd8 was best. } { [%clk 0:00:36] } 60... Qf3?! { [%eval -1.01] } { Inaccuracy. Qxh4 was best. } { [%clk 0:01:12] } 61. Ke1 { [%eval -1.44] [%clk 0:00:56] } 61... Qb3?! { [%eval -0.46] } { Inaccuracy. Qh1+ was best. } { [%clk 0:01:10] } 62. a6 { [%eval -0.46] [%clk 0:01:18] } 62... Bf3 { [%eval -0.4] [%clk 0:01:11] } 63. Kd2 { [%eval -0.35] [%clk 0:01:47] } 63... Qb2+ { [%eval -0.43] [%clk 0:00:46] } 64. Ke3 { [%eval -0.4] [%clk 0:01:39] } 64... Bd5 { [%eval -0.49] [%clk 0:01:08] } 65. a7 { [%eval -0.42] [%clk 0:01:24] } 65... Qxe5+ { [%eval -0.29] [%clk 0:01:24] } 66. Kd3 { [%eval -0.47] [%clk 0:01:37] } 66... Qe4+ { [%eval -0.26] [%clk 0:00:53] } 67. Kc3 { [%eval -0.15] [%clk 0:02:02] } 67... Qe1+ { [%eval -0.12] [%clk 0:01:20] } 68. Kb2 { [%eval -0.49] [%clk 0:02:23] } 68... Qd2+ { [%eval -0.59] [%clk 0:01:29] } 69. Ka3 { [%eval -0.49] [%clk 0:02:30] } 69... Qa5+ { [%eval -0.49] [%clk 0:01:15] } 70. Kb2 { [%eval -0.47] [%clk 0:02:55] } 70... Qa2+ { [%eval -0.37] [%clk 0:01:26] } 71. Kc3 { [%eval -0.45] [%clk 0:03:13] } 71... e5 { [%eval 0.0] [%clk 0:00:51] } 72. Kb4 { [%eval 0.0] [%clk 0:02:52] } 72... g5 { [%eval 0.16] [%clk 0:00:34] } 73. hxg5 { [%eval 0.1] [%clk 0:03:10] } 73... hxg5 { [%eval 0.16] [%clk 0:01:03] } 74. Ba4 { [%eval 0.0] [%clk 0:03:20] } 74... Qd2+ { [%eval 0.23] [%clk 0:00:54] } 75. Kb5 { [%eval 0.01] [%clk 0:03:25] } 75... g4?? { [%eval 2.53] } { Blunder. Qb2+ was best. } { [%clk 0:00:55] } 76. Kb6 { [%eval 2.72] [%clk 0:03:27] } 76... e4? { [%eval 5.11] } { Mistake. Ba8 was best. } { [%clk 0:00:40] } 77. Bc6 { [%eval 5.15] [%clk 0:02:31] } 77... Qb2+ { [%eval 5.43] [%clk 0:00:39] } 78. Kc7 { [%eval 6.09] [%clk 0:02:46] } 78... Bxc6 { [%eval 5.85] [%clk 0:00:42] } 79. Kxc6 { [%eval 6.14] [%clk 0:03:14] } 79... Qf6+ { [%eval 6.16] [%clk 0:00:38] } 80. Kb7 { [%eval 6.4] [%clk 0:03:03] } 80... e3?! { [%eval 9.15] } { Inaccuracy. Qb2+ was best. } { [%clk 0:00:33] } 81. Qxe3 { [%eval 7.57] [%clk 0:03:20] } 81... Qb2+ { [%eval 7.39] [%clk 0:00:45] } 82. Qb6 { [%eval 7.72] [%clk 0:03:41] } 1-0