MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "131"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[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/ppp1npp1/3p4/4p2p/P7/1PP5/1B1PPPPP/RN1QKBNR b KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T16:06:29 +0000"]
[GameEndTime "2026-09-14T16:06:29 +0000"]
[PlyCount "34"]
[Termination "illegal move"]
[TimeControl "-"]

5... Nbc6 {+0.98/9 0.027s, n=20325, sd=12}
6. b4 {-0.84/10 0.048s, n=44723, sd=17} d5 {+0.87/8 0.019s, n=16124, sd=12}
7. d3 {-0.64/9 0.020s, n=17488, sd=14} a6 {+0.74/8 0.026s, n=21483, sd=12}
8. Nf3 {-0.45/9 0.016s, n=15155, sd=15} Ng6 {+0.44/8 0.020s, n=13474, sd=13}
9. Nbd2 {-0.39/8 0.019s, n=12860, sd=12} h4 {+0.31/9 0.027s, n=25142, sd=13}
10. h3 {-0.32/9 0.032s, n=28108, sd=13} d4 {+0.59/10 0.049s, n=42083, sd=18}
11. b5 {-0.33/11 0.020s, n=20981, sd=20} dxc3 {+0.45/9 0.013s, n=12613, sd=14}
12. Bxc3 {-0.52/11 0.019s, n=19108, sd=17} Nb4 {+0.56/10 0.035s, n=28553, sd=15}
13. Qb3 {-0.37/9 0.016s, n=14590, sd=14} Be6 {+0.27/11 0.021s, n=19707, sd=16}
14. Qb2 {-0.17/10 0.013s, n=12484, sd=15} Nd5 {+0.68/11 0.012s, n=14828, sd=15}
15. e3 {+0.05/11 0.025s, n=23260, sd=19} Nxc3 {+0.36/9 0.019s, n=14676, sd=15}
16. Qxc3 {-0.53/10 0.018s, n=19623, sd=19}
axb5 {+0.60/10 0.022s, n=22294, sd=21}
17. axb5 {-0.44/11 0.027s, n=27551, sd=21} Bb4 {+0.86/10 0.020s, n=14725, sd=14}
18. Rxa8 {-0.80/10 0.042s, n=40000, sd=17}
Bxc3 {+1.00/10 0.012s, n=14244, sd=16}
19. Rxd8+ {-0.80/10 0.014s, n=16932, sd=18}
Kxd8 {+0.77/11 0.013s, n=15063, sd=12} 20. Be2 {-0.91/10 0.024s, n=21861, sd=19}
Bd7 {+0.75/12 0.017s, n=20899, sd=22} 21. b6 {-1.52/10 0.027s, n=28322, sd=17}
cxb6 {+0.95/11 0.014s, n=15407, sd=16, White makes an illegal move: e1h1} 0-1