[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbq1rk1/p2pppbp/5np1/2p1N3/8/2N1P3/PPP1BPPP/R1BQ1RK1 b - - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:31:50.433 UTC"] [GameStartTime "2025-05-19T02:31:48.724 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "36.89+0.37"] 1... d5 {+1.03 19/35 1361 931386, White makes an illegal move: a1c1} 0-1