[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/pp1n1ppp/2p1pn2/3pN3/3PN1P1/4P2P/PPP2P2/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:40:12.330 UTC"] [GameStartTime "2025-07-04T07:40:07.055 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nxe4 {-0.10 10/10 206 0, White makes an illegal move: 0000} 0-1