Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Lion_Variation
Moves: 1. e4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. Bb5 c6 6. Bc4 h6 7. Nh4 b5 8. dxe5
Nxe5 9. Be2 b4 10. Na4 Nxe4 11. Nf3 Qa5 12. b3 Bf5 13. Nxe5 dxe5 14. O-O Rd8
15. Bd3 Be7 *
Position (FEN): 3rk2r/p3bpp1/2p4p/q3pb2/Np2n3/1P1B4/P1P2PPP/R1BQ1RK1 w k - 4 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1883
Best move: Qf3