[Event "?"] [Site "?"] [Date "2025.05.19"] [Round "1"] [White "Integral-base"] [Black "Integral-dev"] [Result "0-1"] [FEN "r2qk2r/pp2ppbp/2np1np1/2p5/2P1P1b1/1P1P1N1P/PB1N1PP1/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-05-19T02:52:48.395 UTC"] [GameStartTime "2025-05-19T02:52:47.598 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "9.21+0.09"] 1... Bxf3 {+1.31 18/35 518 135428, White makes an illegal move: b2b3} 0-1