[Event "?"] [Site "?"] [Date "2025.06.17"] [Round "1"] [White "PlentyChess-base"] [Black "PlentyChess-dev"] [Result "1-0"] [FEN "r2qkb1r/pp1bnppp/3p4/2pPp3/4P3/5N1P/PP1P1PP1/1RBQKB1R w Kkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-17T20:15:48.341 UTC"] [GameStartTime "2025-06-17T20:15:48.033 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "3.69+0.04"] 1. b4 {+0.73 18/31 164 166379, Black makes an illegal move: b2b4} 1-0