[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkb1r/1ppb1ppp/p1nppn2/8/2PP4/P1N1PN1P/1P3PP1/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:34:00.523 UTC"] [GameStartTime "2025-05-19T03:33:58.957 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.65+0.1"] 1... e5 {-1.21 18/36 1189 511118, White makes an illegal move: a1c1} 0-1