[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/pp1p2pp/n1p1pn2/5p2/2PPP3/2N3P1/PP3PBP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:40.517 UTC"] [GameStartTime "2025-06-23T15:40:39.920 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... fxe4 {-1.20 7/0 268 2811030} 2. Nxe4 {-0.10 6/0 89 849415} d5 {-1.50 7/0 175 2551203, White makes an illegal move: c3e4} 0-1