Chess puzzle (Advantage)
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd1 d6 5. Bb5 a6 6. Ba4 b5 7. Bb3 Nf6 8. Nc3
Bb7 9. Nf3 Qb6 10. Ng5 e6 11. O-O a5 12. Be3 Qa6 13. a4 Na7 14. Bxa7 Qxa7 15.
Nxb5 Qb6 16. Qd3 Be7 17. Rad1 d5 18. exd5 Nxd5 19. Bxd5 Bxd5 20. Nxh7 g6 21. c4
Bc6 22. Qd4 *
Position (FEN): r3k2r/4bp1N/1qb1p1p1/pN6/P1PQ4/8/1P3PPP/3R1RK1 b kq - 2 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1196
Best move: Qxd4