Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Nf6 3. Nd2 Nc6 4. Ngf3 g6 5. a3 Bg7 6. c4 Be6 7. c5 a6 8. b4 Ne4
9. Nxe4 dxe4 10. Nd2 Nxd4 11. exd4 Bxd4 12. Rb1 O-O 13. Nb3 *
Position (FEN): r2q1rk1/1pp1pp1p/p3b1p1/2P5/1P1bp3/PN6/5PPP/1RBQKB1R b K - 3 13
Black to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1649
Best move: Bxf2+