Every Pawn is a potential Queen.
If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.
[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "C Bauer"]
[Black "V Korchnoi"]
[Result "1-0"]
[BlackElo "0"]
[FEN "1rr3k1/2q4p/2p2p2/1bQpNp2/p2P4/P3P3/5P1P/R1R4K w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rg1+ Kh8 2. Qd6 { Threatening Qxf6+. } 2... Qxd6 3. Nf7# 1-0