MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "565"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[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 "rnbqkb1r/p1pp1ppp/4p3/1p3n2/P3P3/5N2/1PPPKPPP/RNBQ1B1R b kq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T16:00:52 +0000"]
[GameEndTime "2026-09-14T16:00:53 +0000"]
[PlyCount "31"]
[Termination "illegal move"]
[TimeControl "-"]

5... Nd6 {-0.91/9 0.013s, n=12697, sd=17}
6. e5 {+0.95/11 0.025s, n=15529, sd=14} Nf5 {-0.72/11 0.012s, n=12896, sd=16}
7. axb5 {+0.99/12 0.027s, n=13767, sd=16} a6 {-0.85/10 0.015s, n=14704, sd=16}
8. Ke1 {+0.95/11 0.020s, n=17416, sd=25} Bb7 {-0.69/10 0.014s, n=12890, sd=13}
9. Nc3 {+0.70/10 0.022s, n=16255, sd=15} axb5 {-0.09/11 0.029s, n=23018, sd=16}
10. Rxa8 {+0.12/10 0.025s, n=18597, sd=19}
Bxa8 {-0.06/10 0.022s, n=20466, sd=18} 11. Nxb5 {+0.02/9 0.029s, n=22163, sd=16}
c6 {+0.17/9 0.028s, n=23588, sd=14} 12. Nbd4 {-0.16/10 0.066s, n=42344, sd=15}
Nxd4 {+0.14/10 0.017s, n=14182, sd=20}
13. Nxd4 {-0.07/11 0.022s, n=14679, sd=15} c5 {+0.25/11 0.025s, n=22467, sd=17}
14. Nf3 {-0.05/11 0.027s, n=18642, sd=18} Nc6 {+0.19/10 0.019s, n=12779, sd=17}
15. b3 {-0.24/11 0.078s, n=49928, sd=20} g6 {+0.23/10 0.036s, n=22012, sd=21}
16. Ba3 {-0.03/8 0.018s, n=16425, sd=12} Qb8 {+0.30/9 0.020s, n=14740, sd=13}
17. Qa1 {-0.44/9 0.017s, n=15256, sd=13} Nb4 {+0.68/11 0.027s, n=18158, sd=15}
18. Bxb4 {-0.52/10 0.019s, n=17039, sd=12}
cxb4 {+0.56/10 0.017s, n=12289, sd=16} 19. d4 {-0.46/10 0.026s, n=24957, sd=15}
Bg7 {+0.60/11 0.024s, n=20725, sd=16}
20. Bd3 {-0.48/10 0.041s, n=30629, sd=20, Black makes an illegal move: e8h8} 1-0