[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/pp2pppp/8/2p5/2Bnp3/2N2P2/PPP3PP/R1BQK1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:38.201 UTC"] [GameStartTime "2025-06-23T15:43:37.817 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. fxe4 {-1.40 6/0 171 1033600} Nf6 {+0.05 5/0 88 567528, White makes an illegal move: f3e4} 0-1