Chess puzzle (Crushing)
Moves: 1. d4 b6 2. e3 Bb7 3. Nf3 e6 4. g3 Nf6 5. Bg2 Be7 6. O-O O-O 7. Nbd2 d6 8. c3
Nbd7 9. Qc2 h6 10. Re1 Nh7 11. e4 Ng5 12. Nxg5 Bxg5 13. f4 Be7 14. Nf3 f5 15.
e5 dxe5 16. dxe5 Nc5 17. Be3 Ne4 18. Nd4 Bd5 19. b3 c5 20. Ne2 h5 21. Rad1 h4 *
Position (FEN): r2q1rk1/p3b1p1/1p2p3/2pbPp2/4nP1p/1PP1B1P1/P1Q1N1BP/3RR1K1 w - - 0 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1526
Best move: c4