[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/P1N2NP1/1P2PPBP/R1BQ1RK1 w - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:24:49.962 UTC"] [GameStartTime "2025-07-14T03:24:49.046 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. Bf4 {+0.35 11/11 200 681723} Nc6 {-0.40 12/12 176 1196918} 2. Be3 {+3.50 10/10 130 821258} d5 {-0.10 12/12 179 1363387, White makes an illegal move: f4g5} 0-1