[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1bq1rk1/ppppbppp/2n2n2/4p1B1/2B5/2NP1N1P/PPP2PP1/R2Q1RK1 w - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:57.622 UTC"] [GameStartTime "2025-05-19T02:54:57.136 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. Rc1 {White makes an illegal move: b2b3} 0-1