[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2q1rk1/pppn1ppp/3p1B2/2b1p3/2B1P1b1/3P2Q1/PPPN1PPP/R3K1NR b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:21:20.925 UTC"] [GameStartTime "2025-07-14T03:21:20.073 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nxf6 {+0.30 10/10 184 811855} 2. Ngf3 {-0.35 13/13 139 1491480} Bf5 {+4.20 12/12 178 1422177} 3. exf5 {+2.75 13/13 171 1781040, Black makes an illegal move: g4d7} 1-0