[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/1ppb2pp/p1np1p2/3np3/2B1P3/3PBN2/PPP2PPP/R2Q1RK1 w kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:31:32.711 UTC"] [GameStartTime "2025-07-14T03:31:32.076 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. Bxd5 {+0.80 8/8 248 312528} Nb4 {-0.50 13/13 184 2021260, White makes an illegal move: c4b3} 0-1