MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "626"]
[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/p1p1p1pp/3p4/5p2/1pBPP3/P7/1PP1KPPP/RNBQ2NR b kq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T13:37:19 +0000"]
[GameEndTime "2026-09-14T13:37:20 +0000"]
[PlyCount "31"]
[Termination "illegal move"]
[TimeControl "-"]

5... fxe4 {-0.56/9 0.022s, n=16342, sd=15}
6. Bxg8 {+0.68/8 0.024s, n=15982, sd=12} Rxg8 {-0.14/10 0.023s, n=16200, sd=20}
7. axb4 {+0.56/9 0.028s, n=18770, sd=17} e5 {-0.38/9 0.078s, n=52778, sd=17}
8. Ke1 {+0.56/10 0.020s, n=13570, sd=14} Nc6 {-0.45/10 0.022s, n=17295, sd=18}
9. c3 {+0.68/10 0.020s, n=12833, sd=15} d5 {-0.49/9 0.033s, n=22305, sd=21}
10. b5 {+0.80/10 0.021s, n=14806, sd=13} Ne7 {-0.79/9 0.017s, n=12310, sd=14}
11. Ne2 {+0.88/9 0.030s, n=17498, sd=13} Qd7 {-0.75/9 0.053s, n=35001, sd=18}
12. dxe5 {+1.12/9 0.030s, n=19826, sd=14} Qxb5 {-1.15/10 0.038s, n=21440, sd=17}
13. Nd4 {+1.42/10 0.030s, n=18898, sd=15} Qb6 {-0.58/10 0.050s, n=32105, sd=16}
14. c4 {+0.63/9 0.018s, n=12038, sd=14} Qg6 {-0.78/10 0.022s, n=17249, sd=13}
15. g3 {+0.85/9 0.034s, n=22512, sd=17} Bg4 {-0.60/9 0.020s, n=13204, sd=15}
16. Qb3 {+0.93/8 0.022s, n=15967, sd=15} Qb6 {-0.74/11 0.061s, n=41138, sd=16}
17. Qxb6 {+0.65/11 0.068s, n=48146, sd=20}
cxb6 {-0.88/11 0.027s, n=23641, sd=16} 18. h3 {+0.45/8 0.028s, n=19299, sd=20}
Bf3 {+0.02/10 0.024s, n=21911, sd=14} 19. Nxf3 {+0.22/9 0.016s, n=13394, sd=17}
exf3 {-0.10/10 0.015s, n=13690, sd=14}
20. Ra4 {+0.21/9 0.016s, n=13145, sd=16, Black makes an illegal move: e8a8} 1-0