MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "918"]
[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/p1pp1ppp/1p2p3/8/6PP/2P1P3/PP1P1P2/RNBQKBNR b KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T16:10:37 +0000"]
[GameEndTime "2026-09-14T16:10:38 +0000"]
[PlyCount "43"]
[Termination "illegal move"]
[TimeControl "-"]

5... Bb7 {+0.81/10 0.033s, n=31561, sd=15}
6. Nf3 {-0.75/9 0.017s, n=16480, sd=13} c5 {+0.84/9 0.014s, n=14055, sd=15}
7. Rg1 {-1.05/8 0.027s, n=27197, sd=12} h5 {+0.98/9 0.022s, n=21292, sd=13}
8. gxh5 {-1.07/9 0.026s, n=25707, sd=14} Nf6 {+0.94/9 0.028s, n=26315, sd=18}
9. d3 {-1.05/9 0.013s, n=12638, sd=10} d5 {+0.97/9 0.017s, n=16599, sd=14}
10. Qe2 {-0.96/8 0.013s, n=12287, sd=12} Qc7 {+0.92/8 0.012s, n=12740, sd=12}
11. Na3 {-0.95/9 0.013s, n=12937, sd=13} a6 {+0.90/9 0.018s, n=17221, sd=13}
12. e4 {-0.81/9 0.014s, n=13857, sd=13} Nxh5 {+0.90/8 0.022s, n=19062, sd=11}
13. e5 {-0.87/9 0.020s, n=17631, sd=12} Nc6 {+0.68/9 0.020s, n=17611, sd=12}
14. Nc2 {-0.77/10 0.016s, n=14979, sd=16} g6 {+0.67/8 0.022s, n=19569, sd=15}
15. d4 {-0.39/10 0.014s, n=12741, sd=19} a5 {+0.35/11 0.040s, n=35736, sd=19}
16. Bg5 {-0.44/10 0.014s, n=13374, sd=14} Ba6 {+0.46/10 0.017s, n=15791, sd=19}
17. Qd2 {-0.41/10 0.027s, n=25671, sd=15} Bxf1 {+0.42/10 0.023s, n=22424, sd=15}
18. Kxf1 {-0.32/9 0.012s, n=12414, sd=13} Be7 {+0.44/9 0.015s, n=16023, sd=12}
19. a4 {-0.38/9 0.018s, n=16970, sd=15} Bxg5 {+0.24/7 0.016s, n=14641, sd=12}
20. Rxg5 {-0.25/10 0.013s, n=13112, sd=15}
cxd4 {+0.46/11 0.015s, n=14041, sd=11}
21. Ncxd4 {-0.65/9 0.020s, n=19736, sd=18}
Nxd4 {+0.12/10 0.014s, n=14526, sd=17}
22. Nxd4 {-0.44/11 0.028s, n=28168, sd=20} Ng7 {+0.05/10 0.022s, n=20900, sd=15}
23. Qf4 {-0.37/10 0.020s, n=20806, sd=21} Qc4+ {+0.02/10 0.017s, n=16812, sd=16}
24. Kg2 {-0.27/9 0.014s, n=14633, sd=13} Nf5 {-0.06/10 0.019s, n=19903, sd=17}
25. Rg4 {-0.26/10 0.013s, n=14232, sd=18} Qd3 {+0.29/9 0.017s, n=15421, sd=16}
26. Rh1 {-0.18/10 0.019s, n=20286, sd=14, Black makes an illegal move: e8a8} 1-0