[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "r1bqk2r/1pppnppp/1b3n2/pP2p3/P1B1P3/N1PP4/5PPP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:52:15.746 UTC"] [GameStartTime "2025-05-19T02:52:14.089 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... d5 {+1.47 15/33 879 188110, White makes an illegal move: a1c1} 0-1