Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. e5 Ne7 6. c4 Ba6 7. d3 Nf5 8. Nc3
Nd4 9. b3 d5 10. O-O Be7 11. Na4 O-O 12. Ba3 Qa5 *
Position (FEN): r4rk1/p3bppp/b1p1p3/q1ppP3/N1Pn4/BP1P1N2/P4PPP/R2Q1RK1 w - - 6 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1470
Best move: Nxd4