[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2q1rk1/ppp2ppp/2n2n2/3p4/1b1Pp1b1/2N1P1P1/PPPB1PBP/R1Q1K1NR w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:52:53.961 UTC"] [GameStartTime "2025-05-19T02:52:53.960 UTC"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] {White makes an illegal move: a1c1} 0-1