[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.06.13"]
[Round "4"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "0-1"]
[SetUp "1"]
[FEN "rnbqkbr1/ppppppp1/5n1p/8/3P1P2/5N2/PPP1P1PP/RNBQKB1R w KQq - 1 4"]
[GameDuration "00:00:00"]
[GameStartTime "2026-06-13T16:26:34 +0000"]
[GameEndTime "2026-06-13T16:26:37 +0000"]
[PlyCount "9"]
[Termination "illegal move"]
[TimeControl "-"]

4. c4 {+0.80/8 0.018s, n=8983, sd=13} e6 {-1.01/8 0.023s, n=7557, sd=10}
5. e3 {+1.24/8 0.036s, n=7832, sd=10} g5 {-0.98/7 0.060s, n=9753, sd=9}
6. Bd3 {+1.25/8 0.034s, n=5989, sd=13} b5 {-1.33/7 0.079s, n=15117, sd=11}
7. cxb5 {+1.35/8 0.045s, n=6839, sd=11}
gxf4 {-1.21/9 0.054s, n=9470, sd=14, White makes an illegal move: e1h1} 0-1