[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkb1r/pbpnnppp/1p2p3/3PP3/3P4/2N2B2/PP3PPP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:37:26.522 UTC"] [GameStartTime "2025-07-14T03:37:25.881 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... Bxd5 {+5.35 11/11 345 2885861} 2. Nxd5 {+0.95 13/13 142 1625620, Black makes an illegal move: b7d5} 1-0