[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "2kr1bnr/ppp1qppp/2n1p3/5b2/8/2NP1N2/PPP1BPPP/R1BQR1K1 w - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:33.995 UTC"] [GameStartTime "2025-06-23T15:43:33.702 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Bg5 {-0.05 5/0 84 1282490} f6 {-0.55 6/0 101 1076412} 2. Bc1 {0.00 5/0 86 1045160, Black makes an illegal move: f7f6} 1-0