MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "1238"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[EngineWhiteName "Heimdall dev (unknown at unknown)"]
[EngineWhiteAuthor "Nocturn9x (see LICENSE)"]
[EngineBlackName "Heimdall dev (unknown at unknown)"]
[EngineBlackAuthor "Nocturn9x (see LICENSE)"]
[SetUp "1"]
[FEN "rnbqkbnr/2pp1p1p/p7/1p2p1p1/1PP3P1/4P2N/P2P1P1P/RNBQKB1R b KQkq - 0 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T16:02:22 +0000"]
[GameEndTime "2026-09-14T16:02:24 +0000"]
[PlyCount "49"]
[Termination "illegal move"]
[TimeControl "-"]

5... bxc4 {+2.06/10 0.035s, n=28948, sd=15}
6. Qa4 {-1.78/8 0.029s, n=20652, sd=13} h5 {+3.36/10 0.016s, n=15177, sd=13}
7. gxh5 {-3.00/9 0.024s, n=20505, sd=15} g4 {+3.41/11 0.026s, n=23049, sd=21}
8. Bg2 {-2.73/10 0.014s, n=15063, sd=16} c6 {+2.86/11 0.068s, n=54125, sd=21}
9. Ng1 {-2.74/10 0.023s, n=21325, sd=15} d5 {+3.22/9 0.015s, n=12645, sd=14}
10. Nc3 {-3.11/10 0.016s, n=14926, sd=14} Nf6 {+3.12/8 0.020s, n=15906, sd=15}
11. h3 {-3.06/10 0.012s, n=12124, sd=12} gxh3 {+2.91/9 0.030s, n=22949, sd=13}
12. Nxh3 {-3.29/10 0.018s, n=13071, sd=19} Rg8 {+3.07/10 0.031s, n=23688, sd=17}
13. Bf1 {-2.81/10 0.014s, n=12713, sd=16} d4 {+2.99/9 0.017s, n=14468, sd=14}
14. Ne2 {-2.36/9 0.014s, n=12932, sd=13} Qd5 {+3.70/9 0.022s, n=13999, sd=14}
15. Rh2 {-3.45/9 0.017s, n=15211, sd=13} Be6 {+3.80/9 0.026s, n=19755, sd=12}
16. Bb2 {-2.85/10 0.058s, n=39834, sd=14} c3 {+3.98/9 0.037s, n=29165, sd=14}
17. dxc3 {-3.25/8 0.019s, n=13798, sd=15} d3 {+3.56/9 0.020s, n=16626, sd=19}
18. Rd1 {-2.87/10 0.023s, n=18028, sd=13} Ne4 {+4.85/10 0.025s, n=19944, sd=17}
19. Bc1 {-4.35/10 0.025s, n=19705, sd=18} Qc4 {+4.45/10 0.015s, n=12934, sd=11}
20. Nhg1 {-4.08/8 0.027s, n=17403, sd=16} Rxg1 {+5.25/12 0.023s, n=21595, sd=22}
21. Nxg1 {-4.44/11 0.015s, n=14486, sd=18}
Qxc3+ {+4.01/10 0.020s, n=19648, sd=20} 22. Bd2 {-5.10/9 0.026s, n=22561, sd=18}
Nxd2 {+4.71/12 0.027s, n=20472, sd=19}
23. Rxd2 {-4.57/10 0.013s, n=12551, sd=17}
Bxb4 {+5.53/10 0.023s, n=22478, sd=20} 24. Qd1 {-4.59/10 0.020s, n=19494, sd=21}
Nd7 {+4.66/11 0.011s, n=12051, sd=17} 25. h6 {-4.33/9 0.021s, n=16458, sd=16}
e4 {+5.21/10 0.028s, n=24739, sd=15} 26. Bh3 {-5.02/11 0.047s, n=40122, sd=20}
f5 {+5.65/10 0.017s, n=13399, sd=13} 27. f3 {-4.90/10 0.021s, n=17478, sd=16}
Qe5 {+5.24/10 0.026s, n=22728, sd=22} 28. Kf1 {-4.87/11 0.026s, n=22728, sd=19}
Bxd2 {+4.70/10 0.026s, n=20273, sd=21}
29. Rxd2 {-5.41/9 0.018s, n=16445, sd=14, Black makes an illegal move: e8a8} 1-0