Underpromoting a pawn Is it legal to underpromote a pawn to opponent's pieces? For example, in the below position, promoting White's pawn to a Black knight will be a win.
[FEN &quot;r7/kPR5/8/K7/8/8/8/8 w - - 0 1&quot;]
[Title &quot;Underpromotion&quot;]
No, it is not.

FIDE Laws of chess, clause 3.7e:


  When a pawn reaches the rank furthest from its starting position it
  must be exchanged as part of the same move on the same square for a
  new queen, rook, bishop or knight of the same colour.