Chess Puzzle

There is a chess puzzle email sent daily. Today's is at.

http://www.balestris.com/chess/index.asp?s=solution&d=0225

My question, is what is wrong with Rf7+

Leads to Ke8 (forced) and Qe7#

Or have I missed something really obvious?

Originally posted by Alcra
There is a chess puzzle email sent daily. Today's is at.

http://www.balestris.com/chess/index.asp?s=solution&d=0225

My question, is what is wrong with Rf7+

Leads to Ke8 (forced) and Qe7#

Or have I missed something really obvious?

Originally posted by Redmike
You've missed something obvious!
Ke8 isn't forced - he plays hxg5