[%c_effect f4;square;f4;type;Inaccuracy;persistent;true] At the risk of earning the enmity of Dutch Defense supporters, I have to say that I'm not a big fan of advancing the f-pawn in the opening.
1. b2b3  1... d7d5  2. c1b2  2... c7c5  3. e2e3  3... g8f6 