The blunders are all there on the board, waiting to be made.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown22"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "r1qr2k1/1Q2Rpbp/2p3p1/3P4/p4B2/8/PP3PPP/3R2K1 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Qg4 2. Rde1 Qxf4 3. dxc6 { Black wins with a large material advantage. } 0-1