Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Other_variations
Moves: 1. e4 d6 2. d4 c6 3. f4 a6 4. Nf3 e6 5. Bd3 Be7 6. O-O Nd7 7. c4 b5 8. b3 Bb7
9. Nbd2 c5 10. d5 exd5 11. exd5 Ngf6 12. Ne4 bxc4 13. Nxf6+ *
Position (FEN): r2qk2r/1b1nbppp/p2p1N2/2pP4/2p2P2/1P1B1N2/P5PP/R1BQ1RK1 b kq - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1720
Best move: Bxf6