[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqkbnr/pppp3p/4ppp1/8/4P3/2NP3P/PPP2PP1/R1BQKBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:51:24.891 UTC"] [GameStartTime "2025-05-19T02:51:23.567 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.84+0.1"] 1... d5 {-1.09 20/36 1173 588646, White makes an illegal move: a1c1} 0-1