[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqnrk1/ppp2pbp/6p1/3pp1P1/7P/4P3/PPPPBPQ1/RNB1K1NR b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:12:27.890 UTC"] [GameStartTime "2025-07-14T03:12:27.545 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... Nc6 {+0.95 14/14 155 1724123, White makes an illegal move: g8h6} 0-1