[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqkbnr/3ppp1p/2p3p1/p3P3/PpBP4/2P5/1P3PPP/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-14T03:34:36.804 UTC"] [GameStartTime "2025-07-14T03:34:31.965 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... d5 {-1.05 12/12 177 1113120} 2. Bxd5 {+17.95 11/11 179 1704861} cxd5 {+1.75 13/13 186 1463588, White makes an illegal move: f1b5} 0-1