[Event "?"] [Site "?"] [Date "2025.06.17"] [Round "1"] [White "PlentyChess-base"] [Black "PlentyChess-dev"] [Result "1-0"] [FEN "r2qkb1r/1bpnnpp1/1p1p3p/p3p3/1PPPP3/2NB1N2/P4PPP/R1BQ1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-17T20:15:46.466 UTC"] [GameStartTime "2025-06-17T20:15:45.691 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "3.69+0.04"] 1. b5 {+0.77 18/30 395 372008, Black makes an illegal move: b4b5} 1-0