[Event "?"] [Site "?"] [Date "2025.05.18"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1b1kb1r/ppp1pppp/2nq1n2/8/8/3PQN2/PPP2PPP/RNB1KB1R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-18T19:29:53.277 PDT"] [GameStartTime "2025-05-18T19:29:51.809 PDT"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "20.73+0.21"] 1... Nd5 {+1.31 20/37 1191 1292409, White makes an illegal move: g5g4} 0-1