[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "rnb1k2r/pp1p1ppp/2p1pn2/2q5/2P5/P2P2P1/1P2PPBP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:51:32.064 UTC"] [GameStartTime "2025-05-19T02:51:31.137 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.84+0.1"] 1... d5 {-1.31 18/35 757 247040, White makes an illegal move: b5b4} 0-1