Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 d6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Nf6 7. Bg5 Be7 8.
O-O-O O-O 9. e5 dxe5 10. Qxe5 Qe8 11. Re1 Be6 12. Qxc7 h6 13. Bh4 b6 14. Bb5
Qd8 15. Qg3 a6 16. Bd3 b5 17. Kb1 b4 18. Ne2 a5 19. Bxf6 Bxf6 20. Nf4 Bd5 21.
Nxd5 Qxd5 22. Be4 *
Position (FEN): r4rk1/5pp1/5b1p/p2q4/1p2B3/6Q1/PPP2PPP/1K2R2R b - - 1 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1543
Best move: Qd4