[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r1bqk2r/pp2bppp/2nppn2/2p5/4P2P/2PP1N2/PP3PP1/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-05-19T02:32:27.815 UTC"] [GameStartTime "2025-05-19T02:32:22.746 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "36.89+0.37"] 1... O-O {+1.27 23/41 4039 3015369} 2. a3 {White makes an illegal move: a1c1} 0-1