Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. Nc3 e6 3. a3 g6 4. e4 d6 5. Bg5 Be7 6. Bh6 b6 7. e5 dxe5 8. Qf3
Nd5 9. dxe5 Bb7 10. Bb5+ Nd7 11. Bxd7+ Qxd7 12. Nxd5 Bxd5 13. Qg3 Qc6 14. Nf3
Qxc2 15. O-O O-O-O 16. Rfc1 Qe2 17. b4 c5 18. bxc5 Bxc5 19. Be3 Qb5 20. a4 Qa5
21. Bd2 Qa6 22. Bb4 Kb7 23. Bxc5 bxc5 24. Rxc5 Rc8 25. Rb1+ Ka8 26. Rxc8+ Rxc8
27. Qf4 Rc7 28. Ng5 Qc6 29. Nxf7 Bxg2 *
Position (FEN): k7/p1r2N1p/2q1p1p1/4P3/P4Q2/8/5PbP/1R4K1 w - - 0 30
White to move.
Themes: Defensive Move Endgame  
Puzzle rating: 1711
Best move: Nd6