Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Qb3 Bxc3+ 6. Qxc3 dxc4 7. Qxc4 O-O
8. e3 b6 9. Bd2 Ba6 10. Qc2 Bxf1 11. Kxf1 Qc8 12. Rc1 Qa6+ 13. Qc4 Qb7 14. Qxc7
Qd5 15. Qc4 Qf5 16. Qc2 Ne4 17. Bb4 Rd8 18. Be7 Re8 19. Ng5 Qb5+ 20. Kg1 Nxg5
21. Bxg5 *
Position (FEN): rn2r1k1/p4ppp/1p2p3/1q4B1/3P4/4P3/PPQ2PPP/2R3KR b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 932
Best move: Qxg5