Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. Nf3 c5 3. g3 Nc6 4. d5 Nb4 5. c4 Qa5 6. Bd2 Ne4 7. a3 Nxd2 8.
Nbxd2 Na6 9. Bg2 d6 10. O-O g6 11. e4 Bg7 12. Rb1 Qb6 13. Qc2 Nb8 14. b4 cxb4
15. Rxb4 Qc7 16. Rfb1 Na6 17. Rb5 Nc5 18. Nb3 a6 19. Rb4 a5 20. Rb6 *
Position (FEN): r1b1k2r/1pq1ppbp/1R1p2p1/p1nP4/2P1P3/PN3NP1/2Q2PBP/1R4K1 b kq - 1 20
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 860
Best move: Qxb6