Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. c3 Be7 4. d4 exd4 5. cxd4 d6 6. Bb5 Bd7 7. Nc3 a6 8. Ba4
Nf6 9. d5 Ne5 10. Nxe5 dxe5 11. f4 Bxa4 12. Qxa4+ b5 13. Qc2 exf4 14. Bxf4 O-O
15. O-O Bd6 16. Ne2 Bxf4 17. Nxf4 Ng4 18. Rf3 Qe8 19. Rh3 Qe5 20. Rf1 Qd4+ 21.
Kh1 Ne3 *
Position (FEN): r4rk1/2p2ppp/p7/1p1P4/3qPN2/4n2R/PPQ3PP/5R1K w - - 9 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1891
Best move: Qf2