Chess puzzle (Crushing)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. d4 cxd4 7. Nxd4 Nxd4 8.
Qxd4 O-O 9. O-O Rb8 *
Position (FEN): 1rbq1rk1/pp1pppbp/5np1/8/2PQ4/2N3P1/PP2PPBP/R1B2RK1 w - - 3 10
White to move.
Themes:  Opening  
Puzzle rating: 1709
Best move: Qxa7