Chess puzzle (Crushing)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Bf5 4. Bxc4 Nc6 5. Nf3 a6 6. Bd3 Qd7 7. O-O e6 8. Nc3
Nb4 9. Bxf5 exf5 10. a3 Nc6 11. Re1 Nf6 12. Qc2 O-O-O 13. Rb1 Bd6 14. b4 Na7
15. a4 h6 16. b5 axb5 17. axb5 b6 18. Ra1 Kb7 19. Rd1 g5 20. Ne5 Bxe5 21. dxe5
Qe6 22. Rxd8 Rxd8 23. exf6 Qxf6 24. Bb2 Qe6 25. Qa4 Ra8 26. Qd4 Qb3 27. Qd2
Nxb5 28. Nxb5 *
Position (FEN): r7/1kp2p2/1p5p/1N3pp1/8/1q2P3/1B1Q1PPP/R5K1 b - - 0 28
Black to move.
Themes:  Endgame  
Puzzle rating: 1268
Best move: Rxa1+