[pgn]

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[ChessCat "CHESSCAT 1.0"]
[FEN "8/5P2/2k5/8/8/8/3K2p1/8 w - - 0 1"]
[PlyCount "2"]
[Setup "1"]

1. f8=Q g1=Q *

[/pgn]
兵到底线也可以变车变象变马
[pgn]
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[ChessCat "CHESSCAT 1.0"]
[FEN "8/5P2/2k5/8/8/8/3K2p1/8 w - - 0 1"]
[PlyCount "2"]
[Setup "1"]

1. f8=R g1=N *

[/pgn]