[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkbnr/1p3ppp/p1n1p3/3p4/3P4/P1NB1b2/1PP2PPP/R1BQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:53:57.736 UTC"] [GameStartTime "2025-05-19T02:53:57.464 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. b3 {White makes an illegal move: b2b3} 0-1