Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. d5 Nce7 5. Nbd2 f5 6. Bd3 Nf6 7. c4 fxe4 8.
Nxe4 Nxe4 9. Bxe4 Bf5 10. Qa4+ Bd7 11. Qb3 b6 12. Bg5 h6 13. Bh4 Qc8 14. O-O
Bf5 15. Bxe7 Bxe7 16. Qb5+ Bd7 17. Bg6+ Kf8 18. Qb3 Bf5 19. Nh4 Bxh4 20. Bxf5 *
Position (FEN): r1q2k1r/p1p3p1/1p1p3p/3PpB2/2P4b/1Q6/PP3PPP/R4RK1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 690
Best move: Qxf5