[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkbnr/pp3pp1/2n1p2p/3pPb2/1P1p1P2/P1P5/6PP/RNBQKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:51.233 UTC"] [GameStartTime "2025-05-19T02:54:51.233 UTC"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] {White makes an illegal move: b2b3} 0-1