[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkbnr/1b1p1ppp/ppn5/2p1p3/4P3/2NPBN2/PPP1BPPP/R2Q1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:34:02.148 UTC"] [GameStartTime "2025-05-19T03:34:01.662 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.65+0.1"] 1. Rc1 {White makes an illegal move: a1c1} 0-1