Chess puzzle (Crushing)
Moves: 1. d4 d5 2. e3 e6 3. a3 Nf6 4. Nf3 Nc6 5. Be2 Bd6 6. b4 Ne4 7. O-O O-O 8. g3 f5
9. Kg2 Bd7 10. Bb2 Qe7 11. Nc3 Rf6 12. Nb5 a6 13. Nxd6 cxd6 14. c4 dxc4 15.
Bxc4 d5 16. Be2 Raf8 17. Rc1 g5 18. h3 h5 19. Rc2 g4 20. hxg4 *
Position (FEN): 5rk1/1p1bq3/p1n1pr2/3p1p1p/1P1Pn1P1/P3PNP1/1BR1BPK1/3Q1R2 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1365
Best move: fxg4