[Event "?"] [Site "?"] [Date "2025.05.18"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "1-0"] [FEN "rn1qkbnr/pp1b1ppp/4p3/2p5/2Pp4/1P1P1NP1/P3PPBP/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-18T19:29:47.373 PDT"] [GameStartTime "2025-05-18T19:29:46.643 PDT"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "20.73+0.21"] 1. b4 {+1.61 19/40 635 658095, Black makes an illegal move: a1c1} 1-0