Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Nf6 3. c4 e6 4. a3 c5 5. cxd5 exd5 6. dxc5 Bxc5 7. g3 O-O 8. Bg2
Bg4 9. Bf3 Bf5 10. Ne2 Nc6 11. O-O Ne5 12. b4 *
Position (FEN): r2q1rk1/pp3ppp/5n2/2bpnb2/1P6/P3PBP1/4NP1P/RNBQ1RK1 b - - 0 12
Black to move.
Themes: Hanging Piece, Kingside Attack Opening  
Puzzle rating: 734
Best move: Nxf3+