[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/ppp1pp1p/6p1/3pn1N1/8/4P3/PPPP1PPP/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:43.483 UTC"] [GameStartTime "2025-06-23T15:40:43.162 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Nf6 {+0.30 4/0 86 148760} 2. d4 {-0.20 6/0 92 604693} Nc6 {-2.75 6/0 86 1557533, White makes an illegal move: d2d4} 0-1