[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/pppp1ppp/2n2n2/4p3/4P3/5P1N/PPPPB1PP/RNBQ1RK1 b kq - 0 1"] [GameDuration "00:00:01"] [GameEndTime "2025-07-14T03:20:16.116 UTC"] [GameStartTime "2025-07-14T03:20:15.014 UTC"] [PlyCount "4"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nb4 {+0.95 11/11 142 652481} 2. f4 {-0.25 12/12 147 1491503} b5 {+5.55 14/14 341 3382685} 3. fxe5 {+1.50 13/13 226 2469512, Black makes an illegal move: e5f4} 1-0