[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkb1r/ppp4p/5np1/3ppp2/8/1PPPPP2/P5PP/RNBQKBNR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:25.888 UTC"] [GameStartTime "2025-06-23T15:40:25.291 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. f4 {-1.05 5/0 134 1610930} exf4 {+0.35 7/0 328 3091764} 2. exf4 {-0.90 5/0 81 307834, Black makes an illegal move: e5f4} 1-0