[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qkb1r/pp2nppp/8/3p1pB1/3P4/2N5/PPP1QPPP/R3K1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:40:14.238 UTC"] [GameStartTime "2025-07-14T03:40:13.899 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... Nc6 {-0.75 13/13 122 1362216, White makes an illegal move: b7b5} 0-1