[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/pppp3p/2n3p1/4pp2/4P3/P2PBP2/1PP3PP/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:41:34.228 UTC"] [GameStartTime "2025-07-14T03:41:33.034 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... f4 {+0.40 13/13 208 2309195} 2. Bf2 {-0.55 12/12 161 777163} Nf6 {+0.25 14/14 199 2184419} 3. Bc5 {+3.00 12/12 229 1730246} Bxc5 {+4.20 14/14 166 1963323, White makes an illegal move: f2c5} 0-1