[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkb1r/ppp2ppp/2n1p1b1/8/3PP3/2P3B1/P4PPP/R2QKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:33.855 UTC"] [GameStartTime "2025-05-19T02:54:33.585 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1. a3 {White makes an illegal move: a1c1} 0-1