Chess puzzle (Crushing)
Moves: 1. e4 b6 2. d4 Bb7 3. Bd3 Nf6 4. Nd2 d6 5. f3 g6 6. Ne2 Bg7 7. O-O O-O 8. d5 c6
9. c4 cxd5 10. cxd5 Nfd7 11. Nb3 Na6 12. Rb1 Nac5 13. Nxc5 Nxc5 14. Be3 Nxd3
15. Qxd3 a5 16. Rfc1 Ba6 17. Qd2 Bxe2 18. Qxe2 Qb8 19. Qb5 Qb7 20. Rc6 Rfc8 21.
Rbc1 Rxc6 22. Rxc6 Qa6 *
Position (FEN): r5k1/4ppbp/qpRp2p1/pQ1P4/4P3/4BP2/PP4PP/6K1 w - - 1 23
White to move.
Themes:  Endgame  
Puzzle rating: 1636
Best move: Qxa6