[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1qkb1r/ppp3pp/3ppn2/4p3/1P2P3/B4Q2/P1PP1PPP/RN2K1NR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:54:48.896 UTC"] [GameStartTime "2025-05-19T02:54:47.557 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... Nc6 {+1.52 16/32 972 211186, White makes an illegal move: a1c1} 0-1