Event: Round 5: Chu, Leon - Boyer-Olson, Jack
Date: 2025-01-19
White: Chu, Leon
WhiteElo: 1775
Black: Boyer-Olson, Jack
Result: 0-1
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:28:36] } 1... c5 { [%eval 0.25] [%clk 1:30:40] } 2. Nf3 { [%eval 0.2] [%clk 1:29:00] } 2... Nc6 { [%eval 0.25] [%clk 1:30:58] } 3. d4 { [%eval 0.27] [%clk 1:29:29] } 3... cxd4 { [%eval 0.35] [%clk 1:31:10] } 4. Nxd4 { [%eval 0.21] [%clk 1:29:00] } 4... Nf6 { [%eval 0.19] [%clk 1:31:20] } 5. Nc3 { [%eval 0.26] [%clk 1:29:25] } 5... e5 { [%eval 0.34] [%clk 1:31:27] } 6. Ndb5 { [%eval 0.29] [%clk 1:29:51] } 6... d6 { [%eval 0.34] [%clk 1:31:46] } 7. Bg5 { [%eval 0.22] [%clk 1:30:02] } 7... a6 { [%eval 0.33] [%clk 1:31:56] } 8. Na3 { [%eval 0.21] [%clk 1:30:28] } 8... b5 { [%eval 0.19] [%clk 1:32:18] } 9. Nd5 { [%eval 0.29] [%clk 1:30:52] } 9... Be7 { [%eval 0.28] [%clk 1:32:40] } 10. Bxf6 { [%eval 0.3] [%clk 1:30:49] } 10... Bxf6 { [%eval 0.32] [%clk 1:33:00] } 11. c3 { [%eval 0.36] [%clk 1:30:21] } 11... Rb8 { [%eval 0.23] [%clk 1:33:16] } 12. Nc2 { [%eval 0.26] [%clk 1:30:37] } 12... Bg5 { [%eval 0.29] [%clk 1:33:38] } 13. Be2 { [%eval 0.0] [%clk 1:27:52] } 13... O-O { [%eval 0.0] [%clk 1:33:55] } 14. O-O { [%eval 0.0] [%clk 1:27:22] } 14... Be6 { [%eval 0.0] [%clk 1:34:01] } 15. Ncb4 { [%eval 0.03] [%clk 1:24:37] } 15... Nxb4 { [%eval 0.06] [%clk 1:31:51] } 16. Nxb4 { [%eval 0.1] [%clk 1:24:57] } 16... Qb6 { [%eval 0.12] [%clk 1:31:20] } 17. a4 { [%eval 0.14] [%clk 1:19:33] } 17... a5 { [%eval 0.15] [%clk 1:25:08] } 18. Nd3?! { [%eval -0.87] } { Inaccuracy. Nd5 was best. } { [%clk 1:17:49] } 18... Rfc8?! { [%eval -0.06] } { Inaccuracy. bxa4 was best. } { [%clk 1:21:56] } 19. Re1 { [%eval -0.6] [%clk 1:10:17] } 19... Bc4 { [%eval -0.16] [%clk 1:09:47] } 20. Bg4 { [%eval -0.13] [%clk 1:03:22] } 20... Rc7 { [%eval -0.18] [%clk 0:55:15] } 21. b3 { [%eval -0.31] [%clk 1:00:25] } 21... Be6 { [%eval -0.29] [%clk 0:53:33] } 22. Bxe6 { [%eval -0.27] [%clk 0:58:49] } 22... fxe6 { [%eval -0.27] [%clk 0:53:10] } 23. Qg4 { [%eval -0.37] [%clk 0:57:09] } 23... Rxc3 { [%eval -0.22] [%clk 0:52:37] } 24. Rad1 { [%eval -0.54] [%clk 0:55:15] } 24... Rf8 { [%eval -0.02] [%clk 0:49:45] } 25. Rf1 { [%eval -0.25] [%clk 0:55:22] } 25... Bf6 { [%eval 0.04] [%clk 0:45:58] } 26. Qxe6+ { [%eval 0.07] [%clk 0:54:38] } 26... Kh8 { [%eval 0.01] [%clk 0:46:23] } 27. Nb2 { [%eval 0.03] [%clk 0:53:47] } 27... bxa4 { [%eval 0.05] [%clk 0:45:55] } 28. Nxa4 { [%eval 0.02] [%clk 0:53:42] } 28... Qxb3 { [%eval 0.14] [%clk 0:45:27] } 29. Qxd6 { [%eval 0.14] [%clk 0:53:58] } 29... Rcc8 { [%eval 0.14] [%clk 0:45:43] } 30. Nc5 { [%eval 0.09] [%clk 0:53:26] } 30... Qb4 { [%eval 0.14] [%clk 0:41:19] } 31. Nd7 { [%eval 0.12] [%clk 0:53:04] } 31... Rfd8 { [%eval 0.18] [%clk 0:39:22] } 32. Qxb4 { [%eval -0.02] [%clk 0:52:41] } 32... axb4 { [%eval -0.03] [%clk 0:39:41] } 33. Nxf6 { [%eval 0.0] [%clk 0:53:07] } 33... gxf6 { [%eval -0.05] [%clk 0:39:53] } 34. Rb1 { [%eval -0.11] [%clk 0:53:33] } 34... Rd4 { [%eval -0.06] [%clk 0:40:03] } 35. f3 { [%eval -0.09] [%clk 0:53:58] } 35... Rc2 { [%eval -0.07] [%clk 0:33:24] } 36. Rf2 { [%eval -0.06] [%clk 0:54:12] } 36... b3 { [%eval 0.0] [%clk 0:32:19] } 37. g3?! { [%eval -0.81] } { Inaccuracy. Rxb3 was best. } { [%clk 0:51:53] } 37... Rd3 { [%eval -1.08] [%clk 0:31:47] } 38. Kf1?! { [%eval -1.78] } { Inaccuracy. f4 was best. } { [%clk 0:50:27] } 38... Kg8 { [%eval -1.67] [%clk 0:31:40] } 39. Ke1 { [%eval -1.51] [%clk 0:50:35] } 39... Rcc3 { [%eval -1.47] [%clk 0:31:28] } 40. f4 { [%eval -1.6] [%clk 0:49:35] } 40... Re3+? { [%eval -0.43] } { Mistake. Rd4 was best. } { [%clk 0:28:38] } 41. Re2 { [%eval -0.42] [%clk 0:49:34] } 41... exf4 { [%eval -0.45] [%clk 0:28:30] } 42. gxf4 { [%eval -0.33] [%clk 0:49:56] } 42... Rxe2+ { [%eval 0.0] [%clk 0:28:33] } 43. Kxe2 { [%eval -0.04] [%clk 0:50:26] } 43... Rh3 { [%eval -0.02] [%clk 0:28:57] } 44. Kf2 { [%eval -0.08] [%clk 0:48:12] } 44... Kf7 { [%eval -0.14] [%clk 0:27:07] } 45. Kg2?! { [%eval -0.88] } { Inaccuracy. Rd1 was best. } { [%clk 0:47:50] } 45... Rc3 { [%eval -0.97] [%clk 0:27:35] } 46. f5?? { [%eval -4.46] } { Blunder. Kf1 was best. } { [%clk 0:47:51] } 46... Ke7 { [%eval -4.24] [%clk 0:27:50] } 47. Kf2 { [%eval -5.07] [%clk 0:48:17] } 47... Kd6 { [%eval -5.04] [%clk 0:28:12] } 48. Ke2 { [%eval -5.2] [%clk 0:48:42] } 48... Ke5 { [%eval -4.93] [%clk 0:27:28] } 49. Kd2 { [%eval -5.46] [%clk 0:48:13] } 49... Rh3 { [%eval -4.84] [%clk 0:27:50] } 50. Re1?! { [%eval -6.24] } { Inaccuracy. Kc1 was best. } { [%clk 0:47:58] } 50... Rxh2+ { [%eval -5.81] [%clk 0:28:14] } 51. Kc3 { [%eval -5.73] [%clk 0:48:23] } 51... b2 { [%eval -6.45] [%clk 0:27:11] } 52. Kd3?! { [%eval -9.57] } { Inaccuracy. Rd1 was best. } { [%clk 0:48:49] } 52... h5 { [%eval -9.77] [%clk 0:27:11] } 53. Rd1 { [%eval -9.11] [%clk 0:47:53] } 53... h4 { [%eval -8.53] [%clk 0:27:16] } 54. Rg1? { [%eval #-16] } { Checkmate is now unavoidable. Ke3 was best. } { [%clk 0:46:52] } 54... Rg2?! { [%eval -50.13] } { Lost forced checkmate sequence. h3 was best. } { [%clk 0:26:46] } 55. Rd1?! { [%eval #-13] } { Checkmate is now unavoidable. Rxg2 was best. } { [%clk 0:47:10] } 55... h3 { [%eval #-14] [%clk 0:25:49] } 56. Ke3 { [%eval #-12] [%clk 0:47:36] } 56... Rg3+ { [%eval #-11] [%clk 0:26:09] } 57. Kf2 { [%eval #-10] [%clk 0:48:03] } 57... Rb3 { [%eval #-12] [%clk 0:25:49] } 58. Rb1 { [%eval #-12] [%clk 0:47:51] } 58... Kxe4 { [%eval #-11] [%clk 0:26:05] } 0-1