Page:How to Play Chess (Rogers).djvu/117

Rh The Damiano Gambit.—

Philidor's Defense.—

Petroff's Defense.—

(The student will note in this defense that each Pawn is protected by his Knight as each Knight commands the square occupied by his own Pawn.)

The Counter Gambit in the Knight's Opening.—

(The student will note that the two Black Pawns occupy squares commanded by White's forces. This constitutes the counter gambit the sacrifice of a force being made by the second player. )

The Giuoco Piano.—

Captain Evans's Gambit.—