MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "728"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "0-1"]
[EngineWhiteName "Heimdall dev (unknown at unknown)"]
[EngineWhiteAuthor "Nocturn9x (see LICENSE)"]
[EngineBlackName "Heimdall dev (unknown at unknown)"]
[EngineBlackAuthor "Nocturn9x (see LICENSE)"]
[SetUp "1"]
[FEN "rnbq1bnr/1p1pkppp/p1p1p3/2P5/1P3P1P/8/P2PP1P1/RNBQKBNR b KQ - 0 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T13:37:30 +0000"]
[GameEndTime "2026-09-14T13:37:31 +0000"]
[PlyCount "42"]
[Termination "illegal move"]
[TimeControl "-"]

5... a5 {+0.80/9 0.030s, n=20853, sd=18} 6. Bb2 {-0.37/8 0.021s, n=18994, sd=15}
Ke8 {+0.51/10 0.042s, n=23354, sd=15} 7. a3 {-0.40/10 0.036s, n=30687, sd=16}
axb4 {+0.90/10 0.026s, n=15120, sd=10} 8. e3 {-0.94/8 0.013s, n=13038, sd=13}
bxa3 {+0.96/9 0.017s, n=14224, sd=15} 9. Nxa3 {-0.38/10 0.015s, n=12122, sd=12}
Nf6 {+0.24/10 0.041s, n=25086, sd=18} 10. g4 {-0.25/10 0.031s, n=28665, sd=15}
Bxc5 {+0.07/10 0.056s, n=27006, sd=15} 11. g5 {+0.79/11 0.020s, n=21257, sd=15}
Ne4 {-0.29/11 0.036s, n=23919, sd=17} 12. Bd3 {+0.44/11 0.017s, n=14949, sd=20}
d5 {-0.69/10 0.022s, n=12850, sd=12} 13. Bxe4 {+1.31/11 0.017s, n=13279, sd=17}
dxe4 {-1.59/11 0.064s, n=32802, sd=18}
14. Bxg7 {+1.35/13 0.021s, n=15016, sd=18} Rg8 {-1.47/10 0.022s, n=13282, sd=12}
15. Nc4 {+1.64/12 0.053s, n=35667, sd=18} Rxa1 {-1.45/10 0.027s, n=16297, sd=16}
16. Bxa1 {+1.31/9 0.027s, n=21608, sd=17} b5 {-1.79/10 0.071s, n=35944, sd=15}
17. Ne5 {+2.20/11 0.018s, n=17016, sd=17} Nd7 {-1.53/10 0.029s, n=17227, sd=14}
18. Nh3 {+2.12/10 0.039s, n=24090, sd=17} Nxe5 {-1.48/11 0.024s, n=16190, sd=16}
19. Bxe5 {+1.59/10 0.022s, n=16464, sd=17} Bd6 {-2.32/11 0.030s, n=18500, sd=21}
20. Qa1 {+1.78/10 0.024s, n=16446, sd=12} Bb4 {-1.19/10 0.025s, n=19767, sd=15}
21. Qb2 {+1.93/11 0.023s, n=15014, sd=18} c5 {-1.89/11 0.065s, n=32995, sd=26}
22. Nf2 {+1.44/12 0.019s, n=14731, sd=16} f5 {-1.10/10 0.037s, n=17199, sd=17}
23. h5 {+2.89/10 0.030s, n=19249, sd=19} Bb7 {-1.98/10 0.023s, n=17956, sd=13}
24. g6 {+2.03/10 0.041s, n=25151, sd=16} h6 {-2.64/10 0.038s, n=22989, sd=15}
25. Bf6 {+3.15/10 0.020s, n=13776, sd=14}
Qd5 {-3.05/11 0.040s, n=22398, sd=19, White makes an illegal move: e1h1} 0-1