MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "306"]
[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/ppp1pp2/7p/3p4/6pP/Q1P5/PP1PPPP1/RNB1KBNR w KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T10:42:01 -0400"]
[GameEndTime "2026-09-14T10:42:02 -0400"]
[PlyCount "43"]
[Termination "illegal move"]
[TimeControl "-"]

5. e3 {-1.23/8 0.017s, n=13277, sd=11} Nf6 {+1.46/10 0.011s, n=14944, sd=14}
6. d4 {-1.11/9 0.023s, n=25529, sd=17} e5 {+1.58/8 0.017s, n=17539, sd=15}
7. Qb3 {-1.23/9 0.023s, n=21421, sd=13} Bd6 {+1.39/8 0.017s, n=13128, sd=13}
8. g3 {-0.77/9 0.021s, n=23171, sd=12} c5 {+1.02/7 0.022s, n=18590, sd=10}
9. Bg2 {-0.78/9 0.022s, n=22244, sd=12} Bf5 {+0.55/7 0.020s, n=23704, sd=9}
10. Qxb7 {-0.69/9 0.017s, n=16862, sd=13} Nbd7 {+0.78/10 0.036s, n=30692, sd=17}
11. Qa6 {-0.60/8 0.011s, n=12589, sd=11} Qb6 {+0.90/10 0.018s, n=20127, sd=15}
12. Qxb6 {-0.80/11 0.017s, n=15715, sd=18}
axb6 {+0.79/10 0.022s, n=20602, sd=16} 13. Ne2 {-0.72/9 0.016s, n=16572, sd=15}
c4 {+0.84/9 0.012s, n=14646, sd=13} 14. a3 {-1.08/8 0.015s, n=13523, sd=13}
Bd3 {+1.48/10 0.031s, n=29495, sd=16} 15. Nd2 {-1.64/10 0.064s, n=58287, sd=17}
Kd8 {+1.09/10 0.032s, n=39518, sd=21} 16. b3 {-1.20/9 0.017s, n=14231, sd=14}
b5 {+0.99/9 0.016s, n=15163, sd=12} 17. Bb2 {-1.29/9 0.023s, n=20243, sd=16}
Ke7 {+0.82/8 0.015s, n=20926, sd=13} 18. dxe5 {-1.43/8 0.016s, n=13168, sd=11}
Nxe5 {+1.39/7 0.016s, n=13856, sd=12} 19. Nf4 {-1.81/9 0.018s, n=15588, sd=17}
Rhd8 {+1.89/10 0.017s, n=19262, sd=14}
20. Bxd5 {-1.32/10 0.044s, n=50758, sd=22} Nxd5 {+1.74/9 0.012s, n=15539, sd=18}
21. Nxd5+ {-1.43/9 0.010s, n=13963, sd=16} Kf8 {+2.31/9 0.018s, n=19208, sd=15}
22. bxc4 {-1.51/10 0.018s, n=16701, sd=16} bxc4 {+2.17/9 0.015s, n=12879, sd=14}
23. Bc1 {-1.36/10 0.018s, n=22246, sd=18} Be7 {+1.43/8 0.017s, n=14090, sd=13}
24. Nf4 {-1.09/10 0.010s, n=15600, sd=15} Bc2 {+1.27/9 0.018s, n=24696, sd=14}
25. Ra2 {-1.31/11 0.029s, n=26062, sd=18}
Ba4 {+1.17/9 0.015s, n=19333, sd=15, White makes an illegal move: e1h1} 0-1