Event: Round 4: Jacob, Sydney J - Hunn, David
Date: 2025-04-07
White: Jacob, Sydney J
WhiteElo: 1857
Black: Hunn, David
BlackElo: 1772
Result: 1-0
ECO: E81
Opening: King's Indian Defense: Sämisch Variation, Byrne Defense
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:30:53] } 2. c4 { [%eval 0.18] [%clk 1:31:24] } 2... g6 { [%eval 0.19] [%clk 1:31:09] } 3. Nc3 { [%eval 0.21] [%clk 1:31:40] } 3... Bg7 { [%eval 0.51] [%clk 1:31:32] } 4. e4 { [%eval 0.4] [%clk 1:32:02] } 4... d6 { [%eval 0.48] [%clk 1:31:57] } 5. f3 { [%eval 0.26] [%clk 1:32:18] } 5... O-O { [%eval 0.29] [%clk 1:32:10] } 6. Be3 { [%eval 0.3] [%clk 1:32:31] } 6... c6 { [%eval 0.47] [%clk 1:31:35] } 7. Bd3 { [%eval 0.39] [%clk 1:31:29] } 7... a6 { [%eval 0.33] [%clk 1:31:20] } 8. a4 { [%eval 0.5] [%clk 1:30:09] } 8... e5 { [%eval 0.59] [%clk 1:29:03] } 9. Nge2 { [%eval 0.51] [%clk 1:29:44] } 9... Nbd7 { [%eval 0.71] [%clk 1:26:52] } 10. d5 { [%eval 0.66] [%clk 1:28:17] } 10... cxd5 { [%eval 0.68] [%clk 1:25:05] } 11. cxd5 { [%eval 0.66] [%clk 1:27:44] } 11... Qa5?! { [%eval 1.44] } { Inaccuracy. Nh5 was best. } { [%clk 1:20:14] } 12. O-O { [%eval 1.42] [%clk 1:23:06] } 12... Nh5 { [%eval 1.41] [%clk 1:18:18] } 13. Qd2 { [%eval 1.1] [%clk 1:18:22] } 13... Nc5? { [%eval 2.5] } { Mistake. Nf4 was best. } { [%clk 1:14:03] } 14. Bc2? { [%eval 1.04] } { Mistake. b4 was best. } { [%clk 1:18:27] } 14... Qb4 { [%eval 1.55] [%clk 1:14:03] } 15. Nc1 { [%eval 1.55] [%clk 1:15:31] } 15... Qb6?! { [%eval 2.56] } { Inaccuracy. Qa5 was best. } { [%clk 0:52:34] } 16. Nd3 { [%eval 2.62] [%clk 1:06:07] } 16... Nb3?! { [%eval 3.96] } { Inaccuracy. a5 was best. } { [%clk 0:49:50] } 17. Bxb3 { [%eval 3.87] [%clk 1:02:48] } 17... Qxb3 { [%eval 3.91] [%clk 0:50:11] } 18. Rfc1 { [%eval 3.84] [%clk 1:02:55] } 18... Nf4 { [%eval 4.45] [%clk 0:47:58] } 19. Ra3 { [%eval 4.18] [%clk 0:57:44] } 19... Qc4 { [%eval 4.07] [%clk 0:46:53] } 20. Nb1 { [%eval 3.98] [%clk 0:54:00] } 20... Qxc1+ { [%eval 4.07] [%clk 0:46:13] } 21. Nxc1 { [%eval 4.0] [%clk 0:54:10] } 21... Nxd5?! { [%eval 5.45] } { Inaccuracy. f5 was best. } { [%clk 0:46:14] } 22. exd5 { [%eval 4.98] [%clk 0:53:50] } 22... e4 { [%eval 5.54] [%clk 0:46:38] } 23. fxe4 { [%eval 5.42] [%clk 0:53:52] } 23... h5 { [%eval 5.86] [%clk 0:47:03] } 24. Bh6 { [%eval 5.98] [%clk 0:53:59] } 24... Bh3 { [%eval 7.4] [%clk 0:47:26] } 25. gxh3 { [%eval 7.18] [%clk 0:54:22] } 25... h4 { [%eval 7.8] [%clk 0:47:51] } 26. Bxg7 { [%eval 7.72] [%clk 0:54:29] } 26... Kxg7 { [%eval 7.65] [%clk 0:48:14] } 27. Rf3 { [%eval 7.3] [%clk 0:54:33] } 27... f5 { [%eval 8.61] [%clk 0:48:38] } 28. exf5 { [%eval 8.59] [%clk 0:54:53] } 28... b5 { [%eval 8.89] [%clk 0:49:03] } 29. a5 { [%eval 8.83] [%clk 0:54:46] } 29... b4 { [%eval 11.84] [%clk 0:49:27] } 30. Qd4+ { [%eval 10.14] [%clk 0:54:55] } 30... Rf6?! { [%eval #25] } { Checkmate is now unavoidable. Kg8 was best. } { [%clk 0:49:52] } 31. Nd3 { [%eval #25] [%clk 0:54:17] } 31... b3 { [%eval #12] [%clk 0:50:15] } 32. fxg6 { [%eval #11] [%clk 0:54:25] } 32... Rf8 { [%eval #13] [%clk 0:50:36] } 33. Nd2 { [%eval #21] [%clk 0:54:19] } 33... Kg8 { [%eval #7] [%clk 0:51:01] } 34. Qxh4 { [%eval #9] [%clk 0:52:19] } 34... Rxg6+ { [%eval #10] [%clk 0:51:15] } 35. Rg3 { [%eval #23] [%clk 0:52:19] } 35... Kg7 { [%eval #9] [%clk 0:51:21] } 36. Rxg6+ { [%eval #8] [%clk 0:52:05] } 36... Kxg6 { [%eval #8] [%clk 0:51:36] } 37. Qg4+ { [%eval #9] [%clk 0:51:52] } 37... Kh7 { [%eval #7] [%clk 0:51:58] } 38. Nf4 { [%eval #15] [%clk 0:51:06] } 38... Rf6 { [%eval #6] [%clk 0:51:48] } 39. Qh4+ { [%eval #6] [%clk 0:51:16] } 39... Kg7 { [%eval #6] [%clk 0:52:06] } 40. Nh5+ { [%eval #5] [%clk 0:51:06] } 40... Kf8 { [%eval #5] [%clk 0:52:15] } 41. Qxf6+ { [%eval #4] [%clk 0:51:03] } 41... Ke8 { [%eval #4] [%clk 0:52:37] } 42. Qg7 { [%eval #3] [%clk 0:51:15] } 42... Kd8 { [%eval #3] [%clk 0:53:01] } 43. Nc4 { [%eval #3] [%clk 0:51:33] } 43... Ke8 { [%eval #2] [%clk 0:53:22] } 44. Nf6+ { [%clk 0:51:51] } 44... Kd8 { [%clk 0:53:45] } 45. Qd7# { [%clk 0:52:19] } 1-0