[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rnbq1rk1/pp2bpp1/3ppn1p/2p5/3PP3/2P2N2/PPB2PPP/RNBQR1K1 b - - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:55:07.114 UTC"] [GameStartTime "2025-05-19T02:55:05.462 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... b6 {-0.94 17/32 1316 438909, White makes an illegal move: a1c1} 0-1