Chess puzzle (Crushing)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. Nf3 Bb7 3. Nc3 e6 4. Bc4 Ne7 5. Bb3 Ng6 6. d3 d6 7. Ng5 Na6 8. Nxf7
Kxf7 9. Qf3+ Qf6 10. Qg3 h6 11. O-O Bc8 12. f4 Be7 *
Position (FEN): r1b4r/p1p1bkp1/np1ppqnp/8/4PP2/1BNP2Q1/PPP3PP/R1B2RK1 w - - 1 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1695
Best move: f5