1.b4 theory and this book im reading. Need help.

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TheKinGpiN

ok so the line is 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 exf4 6.Nh3 Nge7 7.Nxf4 Na5 8.Bxf6!! it says that this sacrifice. Actually they dont even mention it as a "sacrifice" just as an "attack", so im guessing that if black took the pawn he would be in trouble??? I tryed playing it out on the board, and theres no explanation in the book. help anyone?

TheKinGpiN

im sorry guys i see it now its 8...gxf6 9.Qh4+!! followed by mate on f7