Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O
Be7 9. Be3 d5 10. exd5 Nxd5 11. Nxd5 Bxd5 12. c4 Bc6 13. Qe1 O-O 14. Rd1 Qc7
15. Bd3 e4 16. Bc2 Bf6 17. Nd4 Nd7 18. b3 Ne5 19. Nxc6 Qxc6 20. Bd4 Rae8 21.
Bxe4 Qc7 22. Qb4 *
Position (FEN): 4rrk1/1pq2ppp/p4b2/4n3/1QPBB3/1P6/P4PPP/3R1RK1 b - - 2 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 1686
Best move: Ng4