Chess puzzle (Crushing)
Opening: Old_Indian_Defense, Old_Indian_Defense_Ukrainian_Variation
Moves: 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be7 7. O-O-O+
Bd7 8. Nf3 Ng4 9. Bxe7+ Kxe7 10. Nd5+ Kd8 11. Rd2 Nxf2 12. Rg1 e4 13. Ne5 Rf8
14. e3 Nd3+ 15. Nxd3 exd3 16. Rxd3 Nc6 17. Nb4 *
Position (FEN): r2k1r2/pppb1ppp/2n5/8/1NP5/3RP3/PP4PP/2K2BR1 b - - 2 17
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 637
Best move: Nxb4