[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qkb1r/1ppbppp1/p1np1n1p/8/2PPP3/2N2N1P/PP2BPP1/R1BQK2R b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-05-19T02:54:02.792 UTC"] [GameStartTime "2025-05-19T02:54:01.785 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... e5 {-1.42 16/32 480 174315} 2. b3 {White makes an illegal move: b2b3} 0-1