[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1qk1nr/pbp2pbp/1p1pp1p1/8/3P4/4PN2/PPPBQPPP/RN2KB1R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T03:11:51.435 UTC"] [GameStartTime "2025-05-19T03:11:50.087 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... c5 {+1.40 18/39 952 619500} 2. a3 {White makes an illegal move: a2a3} 0-1