[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnb1k2r/pp1pqppp/5n2/4p3/8/1Q6/PPP1PPPP/R1B1KBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:53:53.259 UTC"] [GameStartTime "2025-05-19T02:53:51.762 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... O-O {+1.15 20/37 1167 764378, White makes an illegal move: b2b3} 0-1