Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bd7 5. Qb3 Bxc3+ 6. bxc3 Nf6 7. cxd5 exd5
8. e3 h6 9. Bd3 Be6 10. Qxb7 Nbd7 11. Ba3 Rb8 12. Qc6 Rb6 13. Qa4 Qc8 14. Qxa7
Ne4 15. Rb1 Rxb1+ 16. Bxb1 Nxc3 17. Bd3 Nb6 18. Bb5+ *
Position (FEN): 2q1k2r/Q1p2pp1/1n2b2p/1B1p4/3P4/B1n1PN2/P4PPP/4K2R b Kk - 3 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1570
Best move: Nxb5