MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "1972"]
[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 "rnbqkbnr/p2pp2p/2p3p1/1p3p2/3P4/4P2N/PPPB1PPP/RN1QKB1R w KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T13:41:23 +0000"]
[GameEndTime "2026-09-14T13:41:23 +0000"]
[PlyCount "21"]
[Termination "illegal move"]
[TimeControl "-"]

5. a4 {+2.18/10 0.040s, n=31642, sd=16} Bb7 {-2.24/10 0.022s, n=18088, sd=12}
6. axb5 {+2.25/9 0.025s, n=20737, sd=15} cxb5 {-2.00/10 0.015s, n=13928, sd=12}
7. f3 {+1.78/9 0.024s, n=19683, sd=15} a6 {-1.77/10 0.034s, n=24925, sd=19}
8. c4 {+1.73/10 0.016s, n=13303, sd=14} Nc6 {-1.69/10 0.024s, n=18375, sd=14}
9. Nc3 {+1.78/10 0.026s, n=20135, sd=16} Nf6 {-1.72/10 0.024s, n=18901, sd=16}
10. cxb5 {+1.74/9 0.023s, n=16667, sd=14} axb5 {-1.77/10 0.022s, n=16741, sd=15}
11. Rxa8 {+1.74/10 0.021s, n=16606, sd=16}
Qxa8 {-1.72/10 0.018s, n=13940, sd=19} 12. Nxb5 {+1.84/8 0.018s, n=12616, sd=14}
Qb8 {-1.85/10 0.017s, n=13483, sd=16} 13. Bd3 {+1.83/9 0.028s, n=13017, sd=14}
e6 {-1.56/9 0.018s, n=13911, sd=16} 14. Qa4 {+1.34/9 0.060s, n=28723, sd=15}
Bh6 {-1.21/10 0.021s, n=15444, sd=17, White makes an illegal move: e1h1} 0-1