MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "486"]
[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/2p1pppp/p2p1n2/1p6/3P4/3Q4/PPP1PPPP/RNB1KBNR w KQkq - 2 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T14:51:31 +0000"]
[GameEndTime "2026-09-14T14:51:32 +0000"]
[PlyCount "35"]
[Termination "illegal move"]
[TimeControl "-"]

5. a4 {-0.69/8 0.017s, n=16496, sd=13} b4 {+0.60/9 0.019s, n=16626, sd=13}
6. Bg5 {-0.71/9 0.025s, n=17132, sd=13} Nbd7 {+0.53/9 0.024s, n=20886, sd=12}
7. e4 {-0.58/9 0.020s, n=17327, sd=12} c5 {+0.83/9 0.021s, n=17352, sd=13}
8. Nf3 {-0.56/9 0.039s, n=30062, sd=13} cxd4 {+0.88/10 0.022s, n=18380, sd=13}
9. Bxf6 {-0.65/11 0.040s, n=34965, sd=14} Nxf6 {+0.94/11 0.021s, n=19315, sd=19}
10. Qxd4 {-0.71/11 0.031s, n=24229, sd=16} e5 {+0.66/10 0.033s, n=27513, sd=16}
11. Qxb4 {-0.44/10 0.034s, n=29309, sd=17} d5 {+0.73/8 0.018s, n=13507, sd=12}
12. Qc3 {-0.57/10 0.015s, n=14998, sd=13} d4 {+0.65/9 0.019s, n=17439, sd=14}
13. Qd3 {-0.50/10 0.015s, n=15724, sd=16} Nd7 {+0.39/10 0.053s, n=39089, sd=21}
14. c3 {-0.35/10 0.034s, n=28414, sd=16} Nc5 {+0.32/11 0.037s, n=33033, sd=23}
15. Qd1 {-0.88/10 0.029s, n=25551, sd=19} Be6 {+0.15/9 0.021s, n=18596, sd=16}
16. Nbd2 {-0.19/10 0.014s, n=13020, sd=15} Rc8 {+1.03/10 0.013s, n=12485, sd=15}
17. cxd4 {+0.12/9 0.021s, n=19301, sd=15} exd4 {+0.09/10 0.017s, n=12574, sd=15}
18. b4 {-0.01/10 0.012s, n=12492, sd=16} Nxe4 {+0.40/11 0.022s, n=20921, sd=22}
19. Bxa6 {-0.94/9 0.015s, n=14125, sd=16} Nc3 {+0.08/11 0.021s, n=20981, sd=22}
20. Qc2 {-0.18/11 0.022s, n=17814, sd=16} Rc7 {+0.04/11 0.021s, n=21598, sd=20}
21. Qd3 {-0.38/10 0.014s, n=14038, sd=16}
Bxb4 {+0.01/10 0.022s, n=19740, sd=20, White makes an illegal move: e1h1} 0-1