Avoid moving pawns, because they cannot go backwards.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown591"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "8/PQ3pk1/4p3/4r3/7q/8/5P2/1R3K2 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Qc4+ ( { White can try: } 1... Qh3+ 2. Qg2+ Qxg2+ 3. Kxg2 Ra5 4. Rb7 { With a likely draw. } ) ( 1... Re4 2. Qxe4 Qxe4 3. Rb8 Qh1+ 4. Ke2 Qe4+ 5. Kf1 Qh1+ 6. Ke2 { Draw by repetition of position. } ) 2. Kg1 Rg5+ 3. Kh2 Qh4# 0-1