MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "535"]
[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 "rnbqkbnr/ppp1p1pp/5p2/3p4/2PP4/4B2P/PP1KPPP1/RN1Q1BNR b kq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T13:38:49 +0000"]
[GameEndTime "2026-09-14T13:38:50 +0000"]
[PlyCount "45"]
[Termination "illegal move"]
[TimeControl "-"]

5... dxc4 {+0.53/10 0.039s, n=29773, sd=18}
6. Ke1 {-0.59/9 0.015s, n=12525, sd=13} e6 {+0.66/9 0.019s, n=16084, sd=12}
7. Qa4+ {-0.13/9 0.017s, n=15055, sd=13} Nc6 {+1.03/9 0.019s, n=15783, sd=15}
8. Nf3 {-0.99/9 0.028s, n=19282, sd=16} Qd5 {+0.68/11 0.014s, n=12831, sd=18}
9. Nc3 {-0.73/11 0.016s, n=14071, sd=21} Bb4 {+0.41/10 0.020s, n=18071, sd=16}
10. Bd2 {-0.88/11 0.018s, n=16623, sd=22} Bxc3 {+0.79/11 0.021s, n=14102, sd=12}
11. Bxc3 {-0.80/11 0.024s, n=19473, sd=21} b5 {+0.64/10 0.034s, n=28095, sd=18}
12. Qc2 {+0.03/11 0.021s, n=20363, sd=17} f5 {+0.93/11 0.035s, n=28032, sd=18}
13. a4 {-0.04/10 0.018s, n=19584, sd=14} b4 {+0.83/9 0.013s, n=12879, sd=18}
14. Bd2 {-0.08/11 0.025s, n=22888, sd=13} a5 {+0.61/9 0.024s, n=22073, sd=16}
15. Rc1 {-0.96/10 0.021s, n=18641, sd=17} Ba6 {+1.51/13 0.016s, n=15367, sd=20}
16. e3 {-1.17/13 0.016s, n=17598, sd=21} b3 {+0.80/10 0.012s, n=14605, sd=20}
17. Qc3 {-0.77/12 0.014s, n=18268, sd=21} Nb4 {+0.71/11 0.021s, n=15853, sd=21}
18. Bxc4 {-0.78/11 0.022s, n=23866, sd=19}
Bxc4 {+0.81/11 0.017s, n=18086, sd=28} 19. Qxc4 {-0.66/9 0.011s, n=14228, sd=14}
Nc2+ {+0.74/10 0.020s, n=21410, sd=20} 20. Rxc2 {-0.62/9 0.023s, n=22010, sd=13}
bxc2 {+0.69/12 0.013s, n=15603, sd=18}
21. Qxd5 {-0.55/10 0.014s, n=17322, sd=15} exd5 {+0.49/7 0.014s, n=16279, sd=10}
22. Ne5 {-0.24/10 0.041s, n=48592, sd=18} Nf6 {+1.00/10 0.012s, n=12029, sd=12}
23. Ke2 {-0.28/11 0.010s, n=13257, sd=16} Ne4 {+0.42/9 0.012s, n=14971, sd=15}
24. Rc1 {-0.40/10 0.016s, n=17559, sd=17} c5 {+0.56/11 0.016s, n=17377, sd=16}
25. dxc5 {-0.13/11 0.012s, n=12426, sd=20}
Nxc5 {+0.59/10 0.011s, n=12040, sd=16}
26. Rxc2 {-0.54/10 0.024s, n=17930, sd=19} Nb3 {+0.76/9 0.015s, n=15261, sd=15}
27. Be1 {-0.54/9 0.013s, n=13597, sd=15, Black makes an illegal move: e8h8} 1-0