Event: Round 4: Mason Li - Lucas Chen
Site: https://lichess.org/study/8zphzlAz/YijW94KP
Date: 2022-05-14
White: Mason Li
Black: Lucas Chen
Result: 1-0
ECO: A45
Opening: Indian Defense
Variant: Standard

1. d4 { [%eval 0.21] [%clk 1:30:00] } 1... Nf6 { [%eval 0.23] [%clk 1:29:58] } 2. Bf4 { [%eval 0.0] [%clk 1:29:56] } 2... g6 { [%eval 0.13] [%clk 1:29:13] } 3. e3 { [%eval 0.0] [%clk 1:29:53] } 3... Bg7 { [%eval 0.0] [%clk 1:28:58] } 4. c4 { [%eval -0.13] [%clk 1:29:46] } 4... c6?! { [%eval 0.46] } { Inaccuracy. c5 was best. } { [%clk 1:27:45] } 5. Nc3 { [%eval 0.38] [%clk 1:28:23] } 5... d5 { [%eval 0.36] [%clk 1:26:12] } 6. Nf3 { [%eval 0.36] [%clk 1:27:42] } 6... O-O { [%eval 0.47] [%clk 1:25:16] } 7. Qb3 { [%eval 0.25] [%clk 1:25:01] } 7... Qb6?! { [%eval 0.77] } { Inaccuracy. Qa5 was best. } { [%clk 1:21:33] } 8. c5?! { [%eval 0.02] } { Inaccuracy. Be2 was best. } { [%clk 1:23:21] } 8... Qxb3?! { [%eval 0.75] } { Inaccuracy. Qa5 was best. } { [%clk 1:21:20] } 9. axb3 { [%eval 0.81] [%clk 1:23:17] } 9... Nbd7 { [%eval 1.0] [%clk 1:19:21] } 10. b4 { [%eval 1.18] [%clk 1:23:11] } 10... Nh5?! { [%eval 1.78] } { Inaccuracy. Re8 was best. } { [%clk 1:18:09] } 11. Bc7 { [%eval 1.31] [%clk 1:20:23] } 11... Re8 { [%eval 1.56] [%clk 1:04:30] } 12. g4 { [%eval 1.28] [%clk 1:19:37] } 12... Nhf6 { [%eval 1.1] [%clk 1:04:19] } 13. h3 { [%eval 1.43] [%clk 1:19:32] } 13... Nf8 { [%eval 1.77] [%clk 1:03:40] } 14. b5 { [%eval 2.15] [%clk 1:18:31] } 14... Ne6 { [%eval 2.19] [%clk 1:02:54] } 15. Bg3?! { [%eval 1.56] } { Inaccuracy. Bh2 was best. } { [%clk 1:17:25] } 15... Bd7?? { [%eval 4.05] } { Blunder. Ne4 was best. } { [%clk 1:02:07] } 16. Ne5 { [%eval 3.97] [%clk 1:16:53] } 16... Red8 { [%eval 3.81] [%clk 0:50:34] } 17. Nxd7 { [%eval 4.04] [%clk 1:13:46] } 17... Rxd7 { [%eval 4.1] [%clk 0:50:00] } 18. b4 { [%eval 3.9] [%clk 1:10:12] } 18... Ng5 { [%eval 4.75] [%clk 0:48:46] } 19. b6?! { [%eval 3.06] } { Inaccuracy. bxc6 was best. } { [%clk 1:07:27] } 19... a6?! { [%eval 4.74] } { Inaccuracy. e5 was best. } { [%clk 0:48:27] } 20. b5 { [%eval 4.91] [%clk 1:07:19] } 20... a5 { [%eval 6.04] } 21. bxc6 { [%eval 6.3] [%clk 1:06:00] } 21... bxc6 { [%eval 6.39] [%clk 0:47:30] } 22. Rb1 { [%eval 5.37] [%clk 1:04:07] } 22... Rb7 { [%eval 5.63] [%clk 0:47:06] } 23. Na2?? { [%eval 0.74] } { Blunder. Bg2 was best. } { [%clk 1:02:52] } 23... Nge4?! { [%eval 1.75] } { Inaccuracy. Nd7 was best. } { [%clk 0:46:15] } 24. Bh2 { [%eval 1.35] [%clk 1:01:53] } 24... Nd7 { [%eval 1.24] [%clk 0:40:35] } 25. Bd3 { [%eval 0.74] [%clk 0:57:36] } 25... e5 { [%eval 1.06] [%clk 0:38:36] } 26. Bxe4 { [%eval 0.57] [%clk 0:54:17] } 26... dxe4 { [%eval 0.79] [%clk 0:38:26] } 27. Rd1 { [%eval 0.9] [%clk 0:54:05] } 27... exd4 { [%eval 1.36] [%clk 0:37:41] } 28. exd4 { [%eval 1.16] [%clk 0:54:03] } 28... Nf6?? { [%eval 3.35] } { Blunder. Nxb6 was best. } { [%clk 0:37:20] } 29. O-O?? { [%eval 0.74] } { Blunder. Nc3 was best. } { [%clk 0:53:39] } 29... Nd5 { [%eval 0.78] [%clk 0:36:31] } 30. Rfe1?! { [%eval 0.26] } { Inaccuracy. g5 was best. } { [%clk 0:52:18] } 30... f5 { [%eval -0.08] [%clk 0:35:44] } 31. Rd2?! { [%eval -0.91] } { Inaccuracy. Re3 was best. } { [%clk 0:48:52] } 31... a4 { [%eval -1.26] [%clk 0:35:12] } 32. Rc1?? { [%eval -4.97] } { Blunder. Rb1 was best. } { [%clk 0:46:17] } 32... Ra5?? { [%eval -1.72] } { Blunder. Bh6 was best. } { [%clk 0:32:56] } 33. Rc4 { [%eval -1.61] [%clk 0:45:28] } 33... Bf6?? { [%eval 1.06] } { Blunder. a3 was best. } { [%clk 0:31:01] } 34. Be5? { [%eval 0.0] } { Mistake. Nb4 was best. } { [%clk 0:43:56] } 34... Bg5?? { [%eval 2.19] } { Blunder. Bxe5 was best. } { [%clk 0:30:50] } 35. Re2?? { [%eval 0.19] } { Blunder. Rd1 was best. } { [%clk 0:42:38] } 35... a3 { [%eval 0.74] [%clk 0:30:07] } 36. Kh2?? { [%eval -1.05] } { Blunder. gxf5 was best. } { [%clk 0:39:23] } 36... Rb5?? { [%eval 2.17] } { Blunder. Kf7 was best. } { [%clk 0:29:10] } 37. Nc3 { [%eval 2.14] [%clk 0:36:49] } 37... Rb2 { [%eval 2.62] [%clk 0:26:48] } 38. Rxb2 { [%eval 2.49] [%clk 0:36:34] } 38... axb2 { [%eval 2.42] [%clk 0:26:38] } 39. Nb1 { [%eval 2.65] [%clk 0:36:27] } 39... Bc1? { [%eval 4.7] } { Mistake. Kf7 was best. } { [%clk 0:25:53] } 40. Ra4 { [%eval 4.7] [%clk 0:35:57] } 40... Nxb6 { [%eval 4.75] [%clk 0:24:18] } 41. Rb4 { [%eval 4.99] [%clk 0:35:29] } 41... Ra7?! { [%eval 6.59] } { Inaccuracy. Kf7 was best. } { [%clk 0:22:35] } 42. cxb6 { [%eval 6.23] [%clk 0:33:24] } 42... Rb7 { [%eval 6.56] [%clk 0:22:30] } 43. Kg3 { [%eval 5.47] [%clk 0:33:00] } 43... Kf7 { [%eval 5.36] [%clk 0:21:56] } 44. Bc7 { [%eval 5.28] [%clk 0:30:12] } 44... Ke6 { [%eval 5.09] [%clk 0:21:42] } 45. Ra4 { [%eval 4.68] [%clk 0:30:03] } 45... Kd7 { [%eval 5.24] [%clk 0:21:37] } 46. Ra7 { [%eval 6.25] [%clk 0:29:51] } 46... Kc8 { [%eval 6.64] [%clk 0:21:35] } 47. Ra8+ { [%eval 6.63] [%clk 0:29:38] } 47... Kd7 { [%eval 5.11] [%clk 0:21:29] } 48. Rd8+ { [%eval 6.69] [%clk 0:29:05] } 48... Ke7 { [%eval 7.74] [%clk 0:21:25] } 49. Rh8?! { [%eval 5.25] } { Inaccuracy. Rb8 was best. } { [%clk 0:27:31] } 49... Ke6 { [%eval 5.31] [%clk 0:21:04] } 50. Rxh7?! { [%eval 3.67] } { Inaccuracy. gxf5+ was best. } { [%clk 0:27:09] } 50... g5? { [%eval 6.48] } { Mistake. f4+ was best. } { [%clk 0:20:32] } 51. Rh6+ { [%eval 6.37] [%clk 0:26:08] } 51... Kd7?! { [%eval 10.11] } { Inaccuracy. Kd5 was best. } { [%clk 0:20:17] } 52. gxf5 { [%eval 9.91] [%clk 0:25:49] } 52... g4 { [%eval 11.2] [%clk 0:20:10] } 53. Rd6+ { [%eval 12.2] [%clk 0:25:44] } 53... Ke7 { [%eval 10.75] [%clk 0:20:04] } 54. f6+ { [%eval 13.65] [%clk 0:25:25] } 54... Kf7 { [%eval 13.28] [%clk 0:19:54] } 55. Rd7+ { [%eval 12.4] [%clk 0:24:46] } 55... Ke6 { [%eval 13.07] [%clk 0:19:49] } 56. Rd6+ { [%eval 10.69] [%clk 0:24:07] } 56... Kf7 { [%eval 11.21] [%clk 0:19:36] } 57. hxg4 { [%eval 10.08] [%clk 0:23:55] } 57... Bg5 { [%eval 9.69] [%clk 0:19:28] } 58. Rxc6 { [%eval 9.95] [%clk 0:22:28] } 58... Bxf6 { [%eval 9.37] [%clk 0:19:22] } 59. Rxf6+ { [%eval 19.6] [%clk 0:22:13] } 59... Kxf6 { [%eval 18.91] [%clk 0:19:14] } 60. Kf4 { [%eval 17.81] [%clk 0:22:13] } 60... Kg6 { [%eval 21.8] [%clk 0:18:54] } 61. Kxe4 { [%eval 65.78] [%clk 0:21:47] } 61... Kg5 { [%eval 17.61] [%clk 0:18:45] } 62. f3 { [%eval 70.31] [%clk 0:21:39] } 62... Kg6 { [%eval 69.99] [%clk 0:18:34] } 63. f4 { [%eval #11] [%clk 0:21:38] } 63... Kf6 { [%eval #11] [%clk 0:18:32] } 64. g5+?! { [%eval 25.32] } { Lost forced checkmate sequence. Kd5 was best. } { [%clk 0:21:28] } 64... Kg6 { [%eval 78.99] [%clk 0:18:22] } 65. Ke5 { [%eval 65.57] [%clk 0:21:22] } 65... Kf7 { [%eval 77.71] [%clk 0:18:10] } 66. f5 { [%eval 81.75] [%clk 0:21:20] } 66... Kg7?! { [%eval #10] } { Checkmate is now unavoidable. Ke7 was best. } { [%clk 0:18:10] } 67. d5 { [%eval #8] [%clk 0:21:18] } 67... Kf7 { [%eval #8] [%clk 0:18:08] } 68. d6 { [%eval #7] [%clk 0:21:14] } 68... Ke8 { [%eval #7] [%clk 0:18:04] } 69. Ke6 { [%eval #6] [%clk 0:21:10] } 69... Kf8 { [%eval #5] [%clk 0:18:04] } 70. f6 { [%eval #4] [%clk 0:20:57] } 70... Kg8 { [%eval #4] [%clk 0:18:00] } 71. g6 { [%eval #3] [%clk 0:20:52] } 71... Kf8 { [%eval #3] [%clk 0:17:55] } 72. d7 { [%eval #2] [%clk 0:20:49] } 72... Rb8 { [%eval #2] [%clk 0:17:54] } 73. Bxb8 { [%eval #1] [%clk 0:20:44] } 73... Kg8 { [%eval #1] [%clk 0:17:54] } 74. d8=Q# 1-0