[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnb1k1nr/1pppq1pp/3bpp2/p7/P2PP3/1P3P2/1BP3PP/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:52:30.612 UTC"] [GameStartTime "2025-05-19T02:52:29.536 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... c6 {-1.54 16/29 863 202092, White makes an illegal move: a1c1} 0-1