[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqk2r/pp1n1ppp/3bpB2/2pp4/8/1P4P1/P1PPPPBP/RN1QK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:11:15.728 UTC"] [GameStartTime "2025-07-14T03:11:15.342 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... Nxf6 {+1.50 13/13 178 2075153, White makes an illegal move: c8g4} 0-1