Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qd5 e5 5. Bc4 Qe7 6. Nf3 Nf6 7. Qd3 h6 8. a3
b6 9. Nc3 a6 10. Nd5 Nxd5 11. Qxd5 Bb7 12. O-O O-O-O 13. Qd3 b5 14. Bd5 Kb8 15.
Be3 Rc8 16. Rfd1 f6 17. b4 Qd6 18. Bc5 Qc7 19. a4 d6 *
Position (FEN): 1kr2b1r/1bq3p1/p1np1p1p/1pBBp3/PP2P3/3Q1N2/2P2PPP/R2R2K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1924
Best move: axb5