[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkbnr/2p2ppp/p3n3/1p6/8/5N2/PPPP1PPP/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:26.924 UTC"] [GameStartTime "2025-06-23T15:43:26.586 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. d4 {+0.85 5/0 85 740887} h5 {-1.40 5/0 97 707160} 2. d5 {+1.60 5/0 120 1034254, Black makes an illegal move: h7h5} 1-0