2. f4 Caro Kahn

I took a 8-9 month break from chess. I wish I had not done that as almost all my opening knowledge is gone. I played this game on fics (unrated) the other day and well...

After playing this game and vaguely remembering how to deal with f4 I decided to look this up.

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I should for more information on this line check out this article http://www.jeremysilman.com/chess_letters/040306_2f4_caro_plus_colle.html