Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Be6 4. Bxc4 Bxc4 5. Qa4+ c6 6. Qxc4 e6 7. Nf3 Na6 8.
O-O Nf6 9. Nc3 Be7 10. b3 c5 11. Rd1 O-O 12. dxc5 Qc7 13. b4 b6 14. c6 *
Position (FEN): r4rk1/p1q1bppp/npP1pn2/8/1PQ5/2N1PN2/P4PPP/R1BR2K1 b - - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1536
Best move: Nxb4