[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bqk2r/pp2bppp/2nppn2/2p5/2B5/2N1PN2/PPPPQPPP/R1B2RK1 b kq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:11:54.917 UTC"] [GameStartTime "2025-05-19T03:11:53.875 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... a6 {+0.91 18/34 853 408007, White makes an illegal move: a1c1} 0-1