[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkb1r/pp3ppp/2p2n2/8/8/2NBP3/PPP3PP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:29.033 UTC"] [GameStartTime "2025-06-23T15:43:28.835 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... c5 {-0.35 5/0 85 548029} 2. Nf3 {-0.40 5/0 89 1006140, Black makes an illegal move: c6c5} 1-0