MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "270"]
[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 "rnbqkb1r/1p1ppppp/p6n/2p5/PP6/7N/2PPPPPP/RNBQKB1R b KQkq - 1 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T14:50:16 +0000"]
[GameEndTime "2026-09-14T14:50:16 +0000"]
[PlyCount "40"]
[Termination "illegal move"]
[TimeControl "-"]

5... cxb4 {+2.36/10 0.019s, n=13150, sd=17}
6. d4 {-2.00/10 0.013s, n=13312, sd=12} Ng8 {+1.94/11 0.063s, n=58453, sd=19}
7. e3 {-1.79/8 0.016s, n=16111, sd=11} d5 {+1.87/10 0.025s, n=19677, sd=16}
8. Nf4 {-1.97/10 0.027s, n=24483, sd=17} e6 {+1.85/10 0.013s, n=12415, sd=12}
9. Nd2 {-1.92/10 0.040s, n=34895, sd=13} Nf6 {+1.92/10 0.029s, n=26545, sd=16}
10. Bb2 {-1.77/10 0.020s, n=18983, sd=17} Bd6 {+1.96/9 0.015s, n=12870, sd=14}
11. g4 {-1.95/9 0.015s, n=12957, sd=15} Qc7 {+1.95/9 0.026s, n=19423, sd=16}
12. Qf3 {-1.90/10 0.019s, n=17239, sd=15} Nc6 {+1.83/9 0.026s, n=23320, sd=17}
13. g5 {-1.92/8 0.020s, n=18553, sd=13} Ng8 {+2.12/10 0.030s, n=21973, sd=15}
14. Nb3 {-2.12/8 0.018s, n=16411, sd=12} Bxf4 {+2.14/11 0.014s, n=13865, sd=14}
15. Qxf4 {-2.27/10 0.012s, n=13011, sd=15}
Qxf4 {+2.37/11 0.024s, n=25319, sd=16}
16. exf4 {-2.20/10 0.026s, n=20038, sd=14} a5 {+2.27/10 0.023s, n=23941, sd=16}
17. Bb5 {-2.51/7 0.020s, n=20968, sd=12} Ne7 {+2.64/9 0.013s, n=14198, sd=14}
18. c3 {-2.47/10 0.013s, n=13771, sd=12} bxc3 {+2.79/10 0.025s, n=22877, sd=14}
19. Ba3 {-2.61/10 0.016s, n=17440, sd=11} Bd7 {+3.26/9 0.013s, n=13988, sd=16}
20. Rc1 {-3.03/9 0.014s, n=15351, sd=14} b6 {+3.17/9 0.011s, n=13187, sd=9}
21. Rxc3 {-3.33/10 0.020s, n=20938, sd=17} Nb4 {+3.71/9 0.019s, n=14651, sd=15}
22. Rc7 {-3.58/10 0.031s, n=36174, sd=19} Bxb5 {+3.49/11 0.021s, n=24586, sd=21}
23. Bxb4 {-3.73/11 0.052s, n=52425, sd=18} axb4 {+3.73/9 0.013s, n=14930, sd=14}
24. axb5 {-3.72/10 0.020s, n=23691, sd=19}
Nf5 {+3.59/10 0.014s, n=15875, sd=15, White makes an illegal move: e1h1} 0-1