[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bq1rk1/pppp1ppp/2n5/4N3/1b1Pn3/2NQB3/PPP2PPP/R3KB1R b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T03:12:06.925 UTC"] [GameStartTime "2025-05-19T03:12:06.125 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.32+0.09"] 1... d5 {+1.41 16/28 430 142164} 2. Rc1 {White makes an illegal move: a1c1} 0-1