Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Stonewall_Attack
Moves: 1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. b3 Nc6 5. a3 cxd4 6. exd4 Nxd4 7. Bb2 Nc6 8.
Nf3 e6 9. Nbd2 Be7 10. Qe2 a6 11. Rd1 Qc7 12. O-O O-O 13. h3 b5 14. c4 dxc4 15.
bxc4 bxc4 16. Nxc4 Bb7 17. Rc1 Qb8 18. Rfe1 Rd8 19. Ng5 h6 *
Position (FEN): rq1r2k1/1b2bpp1/p1n1pn1p/6N1/2N5/P2B3P/1B2QPP1/2R1R1K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 2008
Best move: Nxf7