The center is blocked, and both sides have  clear plans. White is playing on the kingside and Black on the opposite  wing, disregarding where the opponent is going to castle.
1. e2e4  1... e7e6  2. d2d4  2... d7d5  3. b1c3  3... g8f6  4. e4e5  4... f6d7  5. f2f4  5... c7c5  6. g1f3  6... b8c6  7. c1e3  7... f8e7  8. d1d2  8... a7a6  9. f1d3 Provoking Black's next queenside expansion. 9... b7b5  10. a2a3  10... c5c4 