[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-dev"] [Black "Integral-base"] [Result "0-1"] [FEN "rn1qk2r/ppp2ppp/5n2/2b1p1N1/6b1/2NB4/PPPQ1PPP/R1B2RK1 b kq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:50:59.625 UTC"] [GameStartTime "2025-05-19T02:50:58.502 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.84+0.1"] 1... Nc6 {+1.29 15/29 610 210613, White makes an illegal move: b5b4} 0-1