The blunders are all there on the board, waiting to be made.
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[Event "rated untimed match"] [Site "?"] [Date "1957.??.??"] [Round "?"] [White "Durao"] [Black "Katovi"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "1r6/5RR1/7p/2p1r1p1/2p1P1k1/3P2P1/2P3K1/8 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Rf4+ Kh5 2. Rh4+ gxh4 3. g4# 1-0