Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Lasker-Pelikan_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bc4 O-O 8.
Bd2 Bxc3 9. Bxc3 Nxe4 10. Qd3 Nxc3 11. Qxc3 d5 12. Bb5 d4 13. Qc5 Qa5+ *
Position (FEN): r1b2rk1/pp3ppp/2n5/qBQ1p3/3p4/1N6/PPP2PPP/R3K2R w KQ - 2 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1041
Best move: Nxa5