[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbqk1nr/3pbppp/p1p1p3/1p6/3P4/1P3NP1/P1P1PPBP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:54:17.671 UTC"] [GameStartTime "2025-05-19T02:54:16.304 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... Nf6 {-1.18 19/42 1152 589685, White makes an illegal move: a1c1} 0-1