Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. Nc3 d5 2. d4 Nc6 3. Nf3 Nf6 4. Bf4 a6 5. g3 Bf5 6. Bg2 Nb4 7. Rc1 h6 8. O-O
g5 9. Bd2 h5 10. Bxg5 Ne4 11. Nxe4 dxe4 12. Ne5 f6 13. Bxf6 *
Position (FEN): r2qkb1r/1pp1p3/p4B2/4Nb1p/1n1Pp3/6P1/PPP1PPBP/2RQ1RK1 b kq - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1007
Best move: exf6