[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1b1kbnr/ppp2ppp/2np4/4p3/4P1Pq/1P3N2/PBPP1P1P/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:54:35.820 UTC"] [GameStartTime "2025-05-19T02:54:34.877 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... Qxg4 {+1.40 16/31 598 251020, White makes an illegal move: a1c1} 0-1