Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit_Declined
Moves: 1. e4 c5 2. c3 e5 3. d4 cxd4 4. cxd4 exd4 5. Qxd4 Nc6 6. Qe3 Bb4+ 7. Bd2 Qa5 8.
Nf3 Nf6 9. e5 Bxd2+ 10. Nbxd2 Nd5 11. Qg5 g6 12. Bc4 Nde7 13. O-O O-O 14. Rfe1
Nb4 15. a3 Nc2 16. b4 Qd8 17. e6 Nxa1 *
Position (FEN): r1bq1rk1/pp1pnp1p/4P1p1/6Q1/1PB5/P4N2/3N1PPP/n3R1K1 w - - 0 18
White to move.
Themes: Advanced Pawn, Kingside Attack Middlegame  
Puzzle rating: 1513
Best move: exf7+