Chess puzzle (Crushing)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. Nf3 e4 6. Ne5 Nc6 7. Qa4 Bd7 8.
Nxd7 Qxd7 9. Bf4 Nf6 10. h3 Bb4 11. e3 Bxc3+ 12. bxc3 O-O 13. Bb5 a6 14. Bxc6
bxc6 15. O-O h6 16. Rab1 Qe6 17. Rb6 Rfc8 18. Rxa6 Rxa6 19. Qxa6 c5 20. Rb1 *
Position (FEN): 2r3k1/5pp1/Q3qn1p/2pp4/3PpB2/2P1P2P/P4PP1/1R4K1 b - - 1 20
Black to move.
Themes: Hanging Piece Endgame  
Puzzle rating: 1122
Best move: Qxa6