Event: 45th FIDE Chess Olympiad
Site: Budapest, Hungary
Date: 2024-09-21
White: Waldhausen Gordon, Frederick
WhiteTitle: FM
WhiteElo: 2351
Black: Avila Pavas, Santiago
BlackTitle: GM
BlackElo: 2485
Result: 0-1
ECO: D96
Opening: Grünfeld Defense: Russian Variation
Variant: Standard
TimeControl: 40/5400+30:1800

1. d4 { [%eval 0.17] [%clk 1:30:59] } 1... Nf6 { [%eval 0.17] [%clk 1:30:42] } 2. c4 { [%eval 0.17] [%clk 1:31:25] } 2... g6 { [%eval 0.25] [%clk 1:30:32] } 3. Nc3 { [%eval 0.21] [%clk 1:31:49] } 3... d5 { [%eval 0.28] [%clk 1:30:56] } 4. Nf3 { [%eval 0.32] [%clk 1:32:12] } 4... Bg7 { [%eval 0.24] [%clk 1:31:21] } 5. Qb3 { [%eval 0.19] [%clk 1:32:39] } 5... dxc4 { [%eval 0.28] [%clk 1:30:28] } 6. Qxc4 { [%eval 0.13] [%clk 1:33:03] } 6... Be6 { [%eval 0.28] [%clk 1:30:55] } 7. Qa4+ { [%eval 0.24] [%clk 1:33:25] } 7... Bd7 { [%eval 0.22] [%clk 1:31:19] } 8. Qa3 { [%eval 0.16] [%clk 1:33:52] } 8... Bc6 { [%eval 0.19] [%clk 1:20:18] } 9. e3 { [%eval 0.18] [%clk 1:34:08] } 9... Bxf3 { [%eval 0.34] [%clk 1:12:31] } 10. gxf3 { [%eval 0.34] [%clk 1:34:29] } 10... O-O { [%eval 0.33] [%clk 1:12:57] } 11. Bg2 { [%eval 0.31] [%clk 1:34:39] } 11... c6 { [%eval 0.32] [%clk 1:12:58] } 12. f4 { [%eval 0.21] [%clk 1:34:31] } 12... Nbd7 { [%eval 0.27] [%clk 1:09:05] } 13. O-O { [%eval 0.28] [%clk 1:32:02] } 13... e6 { [%eval 0.28] [%clk 1:02:55] } 14. Rd1 { [%eval 0.35] [%clk 1:30:30] } 14... Nd5 { [%eval 0.36] [%clk 0:58:51] } 15. Bd2 { [%eval 0.1] [%clk 1:24:45] } 15... Qh4 { [%eval 0.17] [%clk 0:57:49] } 16. h3 { [%eval -0.03] [%clk 1:19:44] } 16... N7f6 { [%eval 0.2] [%clk 0:51:17] } 17. b4?! { [%eval -0.44] } { Inaccuracy. Ne2 was best. } { [%clk 1:16:37] } 17... a6 { [%eval -0.31] [%clk 0:50:04] } 18. Ne2 { [%eval -0.07] [%clk 1:10:58] } 18... Nh5 { [%eval 0.0] [%clk 0:49:54] } 19. Be1 { [%eval -0.21] [%clk 1:10:06] } 19... Kh8 { [%eval -0.23] [%clk 0:49:16] } 20. Rac1?! { [%eval -0.8] } { Inaccuracy. Qd3 was best. } { [%clk 1:07:07] } 20... Rg8 { [%eval -0.67] [%clk 0:47:06] } 21. Qb2 { [%eval -1.05] [%clk 1:01:45] } 21... Bh6 { [%eval -0.65] [%clk 0:40:41] } 22. Kh2?! { [%eval -1.53] } { Inaccuracy. Qb3 was best. } { [%clk 0:53:29] } 22... Rg7? { [%eval -0.23] } { Mistake. f5 was best. } { [%clk 0:20:12] } 23. Ng1?? { [%eval -2.0] } { Blunder. a4 was best. } { [%clk 0:45:31] } 23... Qf6? { [%eval -0.51] } { Mistake. Nhf6 was best. } { [%clk 0:20:25] } 24. Qe2 { [%eval -0.6] [%clk 0:43:24] } 24... Rag8 { [%eval -0.61] [%clk 0:16:53] } 25. Bd2 { [%eval -0.6] [%clk 0:39:09] } 25... g5 { [%eval -0.63] [%clk 0:15:30] } 26. Bxd5 { [%eval -0.6] [%clk 0:39:24] } 26... gxf4 { [%eval -0.56] [%clk 0:14:01] } 27. Bf3 { [%eval -0.89] [%clk 0:24:41] } 27... fxe3 { [%eval -1.05] [%clk 0:09:12] } 28. fxe3 { [%eval -0.71] [%clk 0:23:01] } 28... Ng3 { [%eval -0.95] [%clk 0:09:15] } 29. Qf2?? { [%eval -3.74] } { Blunder. Qe1 was best. } { [%clk 0:22:10] } 29... Ne4 { [%eval -3.61] [%clk 0:02:17] } 30. Qe2 { [%eval -3.58] [%clk 0:22:35] } 30... Qh4 { [%eval -4.17] [%clk 0:01:49] } 31. Rf1 { [%eval -4.12] [%clk 0:11:25] } 31... Ng3 { [%eval -3.94] [%clk 0:02:18] } 32. Qd3? { [%eval -7.34] } { Mistake. Qf2 was best. } { [%clk 0:11:47] } 32... Nxf1+ { [%eval -7.27] [%clk 0:02:43] } 33. Rxf1? { [%eval #-3] } { Checkmate is now unavoidable. Qxf1 was best. } { [%clk 0:12:13] } 33... Rxg1?? { [%eval -2.91] } { Lost forced checkmate sequence. Rg2+ was best. } { [%clk 0:02:20] } 34. Rxg1 { [%eval -2.96] [%clk 0:12:34] } 34... Qf2+ { [%eval -2.54] [%clk 0:02:49] } 35. Bg2?? { [%eval -5.76] } { Blunder. Rg2 was best. } { [%clk 0:12:53] } 35... Qg3+ { [%eval -5.76] [%clk 0:03:13] } 36. Kh1 { [%eval -5.68] [%clk 0:13:14] } 36... Bf4 { [%eval -5.71] [%clk 0:03:40] } 37. exf4 { [%eval -6.02] [%clk 0:13:30] } 37... Qxd3 { [%eval -5.9] [%clk 0:04:06] } 38. Be1 { [%eval -6.15] [%clk 0:13:29] } 38... Qxd4 { [%eval -6.14] [%clk 0:04:16] } 39. Rf1 { [%eval -6.03] [%clk 0:13:53] } 39... f6 { [%eval -6.06] [%clk 0:04:25] } 40. Kh2 { [%eval -6.24] [%clk 0:14:13] } 40... Kg7 { [%eval -5.87] [%clk 0:04:36] } 41. Rf3 { [%eval -6.01] [%clk 0:14:34] } 41... Kf7 { [%eval -5.97] [%clk 0:04:49] } 42. a4 { [%eval -6.33] [%clk 0:14:35] } 42... Qd1 { [%eval -6.02] [%clk 0:02:27] } 43. Bg3 { [%eval -6.68] [%clk 0:13:29] } 43... Qxa4 { [%eval -6.59] [%clk 0:02:41] } 44. Rd3 { [%eval -6.71] [%clk 0:13:55] } 44... Qxb4 { [%eval -6.81] [%clk 0:01:06] } 45. Rd7+ { [%eval -7.06] [%clk 0:14:18] } 45... Ke8 { [%eval -6.92] [%clk 0:01:32] } 46. Rxh7 { [%eval -8.93] [%clk 0:14:35] } 46... Qc3 { [%eval -8.66] [%clk 0:01:45] } 47. Bh4 { [%eval -11.88] [%clk 0:14:53] } 47... Qc2 { [%eval -9.85] [%clk 0:01:59] } 0-1