[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk2r/pppb1ppp/3p1n2/2b1p3/3nP3/2PP1PP1/PP4BP/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:31.231 UTC"] [GameStartTime "2025-06-23T15:43:30.986 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Nxf3+ {-1.70 6/0 93 708722} 2. Nxf3 {+1.25 6/0 86 1469971, Black makes an illegal move: d4f3} 1-0