Chess puzzle (Crushing)
Opening: Zukertort_Opening, Zukertort_Opening_Pirc_Invitation
Moves: 1. Nf3 d6 2. d4 f6 3. Nc3 e5 4. d5 Bg4 5. Nd2 a6 6. f3 Bd7 7. Nde4 c6 8. f4
cxd5 9. Nxd5 Bc6 10. c4 b5 11. e3 Bxd5 12. cxd5 Nh6 13. Be2 exf4 14. exf4 Be7
15. O-O O-O 16. f5 Nd7 17. Ng3 Nc5 18. b4 Na4 19. Bd3 g5 *
Position (FEN): r2q1rk1/4b2p/p2p1p1n/1p1P1Pp1/nP6/3B2N1/P5PP/R1BQ1RK1 w - g6 0 20
White to move.
Themes:  Middlegame  En Passant
Puzzle rating: 1261
Best move: fxg6