Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Small_Center_Defense
Moves: 1. e4 e6 2. d4 d6 3. e5 dxe5 4. Nf3 exd4 5. Bb5+ c6 6. Bc4 b5 7. Bb3 Bc5 8.
Nbd2 Nf6 9. c4 bxc4 10. Nxc4 O-O 11. O-O Re8 12. Nfe5 Bb7 13. Bg5 Bd6 *
Position (FEN): rn1qr1k1/pb3ppp/2pbpn2/4N1B1/2Np4/1B6/PP3PPP/R2Q1RK1 w - - 7 14
White to move.
Themes:  Opening  
Puzzle rating: 1670
Best move: Bxf6