Every Pawn is a potential Queen.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown424"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "3q1r1k/6Rp/3pBp2/1pbPp3/6Q1/7P/p1P2PP1/6K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rxh7+ ( { White can try: } 1. Bf5 a1=Q+ 2. Kh2 Qa7 3. Rxa7 Bxa7 { Black wins
with a large material advantage. } ) ( { White can also try: } 1. Rb7 Rg8 2. Rxh7+ Kxh7 3. Qh5+ Kg7 4. Qg4+ Kh6 5. Qh4+ Kg7 6. Qg4+ Kh6 7. Qh4+ { Draw by
repetition of position. } ) 1... Kxh7 2. Bf5+ Kh8 3. Qh5+ Kg7 4. Qh7# 1-0