Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 b5 8. a3
Bb7 9. Nd2 Nc6 10. Be2 b4 11. axb4 Nxb4 12. O-O d5 13. Ra5 *
Position (FEN): r2qkb1r/1b3ppp/p4n2/R2pp3/1n2P3/2N1B3/1PPNBPPP/3Q1RK1 b kq - 1 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 994
Best move: Qxa5