Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. h3 h6 6. f3 Nc6 7. Be3 e5 8. Nb3
a6 9. Nc3 Be7 10. Ne2 O-O 11. Ng3 Be6 12. f4 exf4 13. Bxf4 Qa5+ *
Position (FEN): r4rk1/1p2bpp1/p1npbn1p/q7/4PB2/1N4NP/PPP3P1/R2QKB1R w KQ - 1 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1099
Best move: Nxa5