Chess puzzle (Equality)
Moves: 1. e3 d5 2. b3 e5 3. Bb2 Nc6 4. Bb5 Bd6 5. Nc3 a6 6. Be2 Nf6 7. Nf3 O-O 8. O-O
Bf5 9. Nh4 Be6 10. f4 exf4 11. exf4 Bc5+ 12. Kh1 b5 13. f5 Bd7 14. d4 Bxd4 15.
Bd3 Ne4 16. Nxd5 Bxb2 17. Bxe4 Bxa1 *
Position (FEN): r2q1rk1/2pb1ppp/p1n5/1p1N1P2/4B2N/1P6/P1P3PP/b2Q1R1K w - - 0 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1426
Best move: f6