[Event "?"] [Site "?"] [Date "2025.05.18"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "1-0"] [FEN "rnb1kb1r/pp3ppp/3p1q2/3Qp3/2P5/8/PP2PPPP/R1B1KBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-18T19:31:03.736 PDT"] [GameStartTime "2025-05-18T19:31:03.736 PDT"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "21+0.21"] {Black makes an illegal move: b2b3} 1-0