Event: Round 1: Joshua Mckenna - Thomas Brown
Date: 2023-07-07
White: Joshua Mckenna
Black: Thomas Brown
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:26:21] } 2. c3 { [%eval 0.0] [%clk 1:31:20] } 2... g6?! { [%eval 0.56] } { Inaccuracy. Nf6 was best. } { [%clk 1:26:43] } 3. Nf3 { [%eval 0.41] [%clk 1:31:36] } 3... Bg7 { [%eval 0.33] [%clk 1:26:57] } 4. d4 { [%eval 0.81] [%clk 1:31:30] } 4... cxd4 { [%eval 0.63] [%clk 1:27:21] } 5. cxd4 { [%eval 0.21] [%clk 1:31:56] } 5... d5?! { [%eval 0.82] } { Inaccuracy. Nf6 was best. } { [%clk 1:27:42] } 6. exd5?! { [%eval 0.0] } { Inaccuracy. e5 was best. } { [%clk 1:31:25] } 6... Nf6 { [%eval 0.0] [%clk 1:28:02] } 7. Bb5+ { [%eval -0.25] [%clk 1:29:02] } 7... Nbd7 { [%eval -0.13] [%clk 1:28:12] } 8. Nc3 { [%eval 0.0] [%clk 1:28:18] } 8... O-O { [%eval -0.08] [%clk 1:28:14] } 9. d6 { [%eval -0.17] [%clk 1:24:51] } 9... exd6 { [%eval -0.15] [%clk 1:26:03] } 10. O-O { [%eval 0.0] [%clk 1:23:37] } 10... a6 { [%eval -0.08] [%clk 1:25:44] } 11. Ba4 { [%eval -0.47] [%clk 1:23:13] } 11... b5 { [%eval -0.5] [%clk 1:25:23] } 12. Bb3 { [%eval -0.54] [%clk 1:22:26] } 12... Bb7 { [%eval -0.54] [%clk 1:22:54] } 13. a3 { [%eval -0.55] [%clk 1:18:14] } 13... Nb6 { [%eval -0.55] [%clk 1:17:06] } 14. Bg5 { [%eval -0.64] [%clk 1:15:04] } 14... Qd7 { [%eval -0.58] [%clk 1:16:11] } 15. Ba2?! { [%eval -1.3] } { Inaccuracy. d5 was best. } { [%clk 1:06:30] } 15... Qf5 { [%eval -1.49] [%clk 1:12:38] } 16. Be3 { [%eval -1.45] [%clk 1:00:20] } 16... Bxf3?! { [%eval -0.59] } { Inaccuracy. Nfd5 was best. } { [%clk 1:10:20] } 17. Qxf3 { [%eval -0.71] [%clk 1:00:19] } 17... Qxf3 { [%eval -0.55] [%clk 1:10:41] } 18. gxf3 { [%eval -0.38] [%clk 1:00:43] } 18... d5 { [%eval -0.19] [%clk 1:05:20] } 19. Rad1 { [%eval -0.66] [%clk 0:56:05] } 19... Nc4 { [%eval -0.68] [%clk 1:04:19] } 20. Bxc4 { [%eval -0.87] [%clk 0:51:38] } 20... bxc4 { [%eval -1.07] [%clk 1:03:15] } 21. Bg5 { [%eval -0.85] [%clk 0:49:32] } 21... Rfd8 { [%eval -1.12] [%clk 1:02:38] } 22. Rfe1 { [%eval -1.19] [%clk 0:45:26] } 22... Rab8 { [%eval -1.03] [%clk 0:59:12] } 23. Rd2 { [%eval -0.75] [%clk 0:42:03] } 23... h6 { [%eval -0.79] [%clk 0:56:40] } 24. Bf4 { [%eval -1.0] [%clk 0:40:50] } 24... Rb3?! { [%eval -0.33] } { Inaccuracy. Rb7 was best. } { [%clk 0:50:16] } 25. Bc7 { [%eval -0.69] [%clk 0:37:22] } 25... Rd7 { [%eval -0.82] [%clk 0:48:42] } 26. Ba5?! { [%eval -1.73] } { Inaccuracy. Bg3 was best. } { [%clk 0:36:39] } 26... Bf8 { [%eval -1.58] [%clk 0:45:32] } 27. Kg2 { [%eval -1.5] [%clk 0:32:02] } 27... Kg7 { [%eval -1.3] [%clk 0:41:15] } 28. Na2? { [%eval -2.74] } { Mistake. Na4 was best. } { [%clk 0:30:26] } 28... Nh5 { [%eval -2.88] [%clk 0:32:28] } 29. Re3 { [%eval -3.0] [%clk 0:26:11] } 29... Nf4+ { [%eval -3.02] [%clk 0:30:40] } 30. Kf1 { [%eval -2.92] [%clk 0:24:48] } 30... Nd3 { [%eval -2.94] [%clk 0:29:15] } 31. Nb4?! { [%eval -4.62] } { Inaccuracy. Bc3 was best. } { [%clk 0:22:31] } 31... Bxb4 { [%eval -4.74] [%clk 0:28:20] } 32. Bxb4 { [%eval -4.66] [%clk 0:21:20] } 32... Nxb4?! { [%eval -3.7] } { Inaccuracy. Rb7 was best. } { [%clk 0:28:35] } 33. Rxb3 { [%eval -2.96] [%clk 0:21:02] } 33... cxb3 { [%eval -2.74] [%clk 0:29:00] } 34. axb4 { [%eval -3.53] [%clk 0:21:26] } 34... Rb7 { [%eval -3.13] [%clk 0:29:23] } 35. Ke2? { [%eval -5.01] } { Mistake. Rd1 was best. } { [%clk 0:19:54] } 35... Rxb4 { [%eval -4.99] [%clk 0:28:55] } 36. Kd3 { [%eval -5.29] [%clk 0:19:52] } 36... Rc4 { [%eval -4.69] [%clk 0:27:22] } 37. Re2 { [%eval -4.97] [%clk 0:19:36] } 37... Kf6?! { [%eval -3.63] } { Inaccuracy. h5 was best. } { [%clk 0:23:32] } 38. Re5 { [%eval -4.02] [%clk 0:13:26] } 38... Rc2 { [%eval -3.37] [%clk 0:23:55] } 39. Ke3?? { [%eval -7.23] } { Blunder. Rxd5 was best. } { [%clk 0:12:56] } 39... Rxb2 { [%eval -7.45] [%clk 0:23:56] } 40. Rxd5 { [%eval -7.69] [%clk 0:13:13] } 40... Ra2?! { [%eval -5.43] } { Inaccuracy. Ke7 was best. } { [%clk 0:24:09] } 41. Rd6+ { [%eval -5.18] [%clk 0:12:51] } 41... Ke7 { [%eval -5.63] [%clk 0:23:12] } 42. Rb6 { [%eval -5.21] [%clk 0:12:19] } 42... b2 { [%eval -4.33] [%clk 0:21:25] } 43. Kd3 { [%eval -4.75] [%clk 0:12:09] } 43... a5 { [%eval -4.43] [%clk 0:19:42] } 44. Kc2 { [%eval -5.46] [%clk 0:11:09] } 44... b1=Q+ { [%eval -4.59] [%clk 0:17:49] } 45. Kxb1 { [%eval -5.02] [%clk 0:11:23] } 45... Rxf2 { [%eval -5.38] [%clk 0:18:12] } 46. Ra6 { [%eval -5.62] [%clk 0:11:07] } 46... Rxh2 { [%eval -5.94] [%clk 0:17:10] } 47. Rxa5 { [%eval -5.9] [%clk 0:11:09] } 47... Rd2 { [%eval -5.64] [%clk 0:16:25] } 48. Re5+ { [%eval -5.77] [%clk 0:09:02] } 48... Kd6 { [%eval -5.79] [%clk 0:15:05] } 49. Re4 { [%eval -6.41] [%clk 0:07:46] } 49... h5 { [%eval -6.02] [%clk 0:12:23] } 50. Kc1 { [%eval -6.1] [%clk 0:07:16] } 50... Rf2 { [%eval -4.82] [%clk 0:11:00] } 51. Re3? { [%eval -8.51] } { Mistake. Rf4 was best. } { [%clk 0:04:50] } 51... h4 { [%eval -7.87] [%clk 0:11:03] } 52. Kd1 { [%eval -10.65] [%clk 0:04:31] } 52... h3 { [%eval -8.4] [%clk 0:11:10] } 53. f4 { [%eval -11.74] [%clk 0:02:11] } 53... h2 { [%eval -56.87] [%clk 0:11:30] } 0-1