[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r3kbnr/ppp1pppp/2n5/5b2/8/2N5/PPPBBPPP/R3K1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:24.629 UTC"] [GameStartTime "2025-06-23T15:43:24.419 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nd5 {-0.95 5/0 84 762653} O-O-O {+0.65 6/0 99 1791045, White makes an illegal move: c3d5} 0-1