[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkb1r/pp3pp1/3p1n1p/2p5/3NP3/1P6/PBP2PPP/RN1QKB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.703 UTC"] [GameStartTime "2025-06-23T15:43:34.379 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nf5 {-0.90 6/0 91 1669172} Bxf5 {-0.15 6/0 92 855344} 2. exf5 {+0.10 5/0 92 522150, Black makes an illegal move: c8f5} 1-0