[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk2r/1pppp2p/5ppb/p7/3PP3/2N2N2/PPP2PPP/R2QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:53:55.387 UTC"] [GameStartTime "2025-05-19T02:53:55.057 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. Rc1 {White makes an illegal move: a1c1} 0-1