Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 c5 3. c4 e6 4. cxd5 exd5 5. dxc5 Bxc5 6. Nc3 Nf6 7. e4 O-O 8.
Bg5 d4 9. Nd5 Nbd7 10. e5 h6 11. Bxf6 gxf6 12. Nxf6+ *
Position (FEN): r1bq1rk1/pp1n1p2/5N1p/2b1P3/3p4/8/PP3PPP/R2QKBNR b KQ - 0 12
Black to move.
Themes:  Opening  
Puzzle rating: 941
Best move: Nxf6