[Event "?"]
[Site "?"]
[Date "2025.05.19"]
[Round "1"]
[White "Integral-dev"]
[Black "Integral-base"]
[Result "0-1"]
[FEN "r1b1k2r/ppppnppp/2nb2q1/3Np3/2B1P3/5N2/PPPPQPPP/R1B2RK1 b kq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-05-19T03:31:20.242 UTC"]
[GameStartTime "2025-05-19T03:31:19.319 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "9.4+0.09"]

1... O-O {-0.86 17/38 903 497941, White makes an illegal move: a1c1} 0-1