[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qkb1r/ppp2ppp/2npbn2/3Np1B1/4P3/1B1P1N2/PPP2PPP/R2QK2R b KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:28.979 UTC"] [GameStartTime "2025-06-23T15:40:28.774 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Nxd5 {-5.80 6/0 95 867228} 2. Bxd8 {+5.45 6/0 90 1174514, Black makes an illegal move: f6d5} 1-0