Chess puzzle (Advantage)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bg4 5. Qe2+ Be7 6. h3 Be6 7. Nc3 Nc6 8.
Bf4 Qd7 9. Qd2 a6 10. Bd3 Nb4 11. a3 Nxd3+ 12. Qxd3 Nf6 13. Ne5 Qd8 14. O-O-O
O-O 15. Ng4 c5 16. dxc5 Bxc5 17. Qg3 b5 18. Ne5 Nh5 19. Qf3 Nxf4 20. Qxf4 b4
21. axb4 Bxb4 *
Position (FEN): r2q1rk1/5ppp/p3b3/3pN3/1b3Q2/2N4P/1PP2PP1/2KR3R w - - 0 22
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 2007
Best move: Qxb4