[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1bqk2r/pp1nbppp/4pn2/1B1p4/8/2N1PN2/PPPB1PPP/R2QK2R b KQkq - 0 1"] [GameDuration "00:00:02"] [GameEndTime "2025-05-19T02:53:36.001 UTC"] [GameStartTime "2025-05-19T02:53:33.545 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... a6 {+1.37 18/41 1249 460686} 2. Rc1 {White makes an illegal move: d6d5} 0-1