[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkb1r/pbpp1p1p/np2pnp1/8/4P3/2NP2P1/PPP1NPBP/R1BQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:23:02.365 UTC"] [GameStartTime "2025-07-14T03:23:02.017 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1. d4 {+0.80 11/11 131 1221223, Black makes an illegal move: f7f5} 1-0