Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Nc6 4. d3 h6 5. Be3 a6 6. O-O Be7 7. Ne1 Nf6 8. f4
exf4 9. Rxf4 Ne5 10. Bb3 O-O 11. d4 Ng6 12. e5 Nxf4 *
Position (FEN): r1bq1rk1/1pp1bpp1/p2p1n1p/4P3/3P1n2/1B2B3/PPP3PP/RN1QN1K1 w - - 0 13
White to move.
Themes:  Opening  
Puzzle rating: 1475
Best move: exf6