[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "rn1qk2r/ppp3bp/3p1pp1/5b2/8/2NP1P2/PPP1N1PP/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:52:17.901 UTC"] [GameStartTime "2025-05-19T02:52:16.241 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... d5 {+1.47 17/38 763 275943} 2. Rc1 {White makes an illegal move: a1c1} 0-1