Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. O-O a6 6. Be2 g6 7. c3 Bg7 8.
cxd4 Bxd4 9. Nc3 d6 *
Position (FEN): r1bqk1nr/1p2pp1p/p2p2p1/8/3bP3/2N5/PP1PBPPP/R1BQ1RK1 w kq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1109
Best move: Qa4+