Pillsbury's friend. Chess alphabet

This is a variant of Morphy's checkmate, in which the rook checkmates, and the bishop does not allow the opponent's king to go into the corner (diagram 1).

1. Matt Pillsbury

2. An example of a Pillsbury matte combination

Diagram 2 shows an example of Pillsbury's checkmate due to a tower sacrifice on g8. White starts and breaks through the defense of the black king, taking the g-pawn: 1.W: g7 + Kh8. White sacrifices a rook, giving a double check: 2. Rg8++! R: g8 3.Bg1 #.