MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "234"]
[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 "rn1qkbnr/pp2p1pp/4bp2/1Npp4/1P2P3/7N/P1PP1PPP/R1BQKB1R b KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T12:22:37 -0400"]
[GameEndTime "2026-09-14T12:22:38 -0400"]
[PlyCount "36"]
[Termination "illegal move"]
[TimeControl "-"]

5... dxe4 {-0.41/9 0.017s, n=13636, sd=13}
6. bxc5 {-0.31/9 0.027s, n=24119, sd=15} Nc6 {-0.13/9 0.017s, n=12879, sd=15}
7. d4 {-0.03/10 0.017s, n=17457, sd=22} a6 {-0.38/10 0.014s, n=17747, sd=22}
8. d5 {+0.08/11 0.034s, n=28787, sd=20} Bxd5 {+0.14/12 0.025s, n=25877, sd=24}
9. Qxd5 {-0.26/11 0.029s, n=31960, sd=24} axb5 {+0.09/11 0.010s, n=16790, sd=20}
10. Nf4 {-0.23/10 0.009s, n=13205, sd=20} e5 {+0.14/10 0.013s, n=13720, sd=19}
11. Qxd8+ {-0.05/9 0.011s, n=15059, sd=20}
Kxd8 {+0.20/10 0.019s, n=24408, sd=24} 12. Ne6+ {-0.05/9 0.014s, n=16743, sd=16}
Kd7 {+0.05/10 0.016s, n=16274, sd=19}
13. Nxf8+ {-0.08/11 0.028s, n=31078, sd=19}
Rxf8 {+0.12/9 0.017s, n=12191, sd=18} 14. Bxb5 {-0.25/11 0.011s, n=13676, sd=20}
Kc7 {+0.11/10 0.012s, n=16929, sd=15} 15. Bd2 {-0.15/10 0.018s, n=23981, sd=17}
f5 {+0.15/7 0.012s, n=15204, sd=11} 16. Bc3 {+0.08/10 0.021s, n=19732, sd=17}
Nf6 {-0.18/9 0.016s, n=20800, sd=15} 17. Bxc6 {+0.24/10 0.014s, n=13419, sd=20}
Kxc6 {-0.03/10 0.022s, n=21886, sd=17} 18. Bxe5 {+0.10/9 0.019s, n=23005, sd=14}
Rd8 {-0.25/10 0.036s, n=33570, sd=15} 19. Bxf6 {+0.29/10 0.027s, n=28781, sd=16}
gxf6 {-0.11/9 0.015s, n=12707, sd=24} 20. Rb1 {+0.07/9 0.011s, n=14117, sd=19}
Rd5 {-0.07/11 0.014s, n=13708, sd=15} 21. Rb6+ {+0.18/9 0.009s, n=12333, sd=16}
Kxc5 {-0.17/8 0.019s, n=18685, sd=18} 22. Rxb7 {+0.20/10 0.016s, n=15732, sd=16}
Ra8 {-0.31/10 0.018s, n=17824, sd=19, White makes an illegal move: e1h1} 0-1