Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 f6 2. c4 e5 3. dxe5 fxe5 4. e4 Nf6 5. Nc3 Bc5 6. Bg5 h6 7. Bh4 Nc6 8. Nd5
g5 9. Nxf6+ *
Position (FEN): r1bqk2r/pppp4/2n2N1p/2b1p1p1/2P1P2B/8/PP3PPP/R2QKBNR b KQkq - 0 9
Black to move.
Themes:  Middlegame  
Puzzle rating: 805
Best move: Qxf6