[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bq1rk1/pppnpnbp/3p1pp1/8/3P1B2/1QPBPN2/PP1N1PPP/R3K2R w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:37.715 UTC"] [GameStartTime "2025-05-19T02:54:37.348 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. Rc1 {White makes an illegal move: a1c1} 0-1