MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "251"]
[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 "rnb1kbnr/pp2ppp1/1q1p3p/2p5/PP2P3/7P/1BPP1PP1/RN1QKBNR b KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T15:59:57 +0000"]
[GameEndTime "2026-09-14T15:59:58 +0000"]
[PlyCount "31"]
[Termination "illegal move"]
[TimeControl "-"]

5... Qxb4 {+0.67/10 0.029s, n=24532, sd=18}
6. Nc3 {-0.57/10 0.019s, n=16676, sd=13} Nc6 {+0.78/10 0.033s, n=27025, sd=16}
7. a5 {0.00/11 0.021s, n=13384, sd=6} a6 {0.00/9 0.029s, n=25324, sd=13}
8. Bc1 {-0.62/9 0.027s, n=18936, sd=13} b5 {+1.18/11 0.048s, n=35651, sd=19}
9. axb6 {-1.14/9 0.038s, n=31025, sd=14} Qxb6 {+1.02/9 0.033s, n=28454, sd=14}
10. Nd5 {-1.09/9 0.020s, n=17537, sd=14} Qb8 {+1.96/11 0.019s, n=18218, sd=16}
11. Bb5 {-1.06/12 0.021s, n=15571, sd=19} Bd7 {+0.98/11 0.024s, n=21133, sd=21}
12. Rxa6 {-0.89/11 0.045s, n=29943, sd=20}
Rxa6 {+1.15/11 0.016s, n=14036, sd=18}
13. Bxa6 {-1.12/10 0.013s, n=12543, sd=17} e6 {+1.27/9 0.014s, n=13778, sd=15}
14. Nc3 {-1.14/9 0.029s, n=16542, sd=12} Nf6 {+1.17/10 0.019s, n=13957, sd=13}
15. d3 {-1.21/9 0.013s, n=12489, sd=13} Nb4 {+1.22/11 0.018s, n=16619, sd=18}
16. Bc4 {-1.18/12 0.019s, n=17423, sd=17} d5 {+1.39/11 0.016s, n=14784, sd=22}
17. exd5 {-1.17/12 0.038s, n=27467, sd=20}
exd5 {+1.04/10 0.028s, n=26080, sd=17} 18. Bb3 {-1.10/11 0.033s, n=21628, sd=21}
d4 {+1.03/10 0.022s, n=16434, sd=16} 19. Nce2 {-1.06/10 0.013s, n=12867, sd=14}
Bd6 {+1.04/9 0.015s, n=12708, sd=14}
20. Nf3 {-1.19/9 0.032s, n=21772, sd=14, Black makes an illegal move: e8h8} 1-0