[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bqkbnr/1p1p1ppp/p1n5/3Np3/3pPB2/8/PPP2PPP/R2QKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:34:33.091 UTC"] [GameStartTime "2025-05-19T03:34:33.054 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.65+0.1"] 1. Rc1 {White makes an illegal move: b6b5} 0-1