Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. e4 e5 2. d3 d6 3. f4 exf4 4. Bxf4 h6 5. Nf3 a6 6. Nc3 c5 7. Be2 Nc6 8. O-O
Nf6 9. Re1 b5 10. Nd5 Bb7 11. Nxf6+ Qxf6 12. e5 *
Position (FEN): r3kb1r/1b3pp1/p1np1q1p/1pp1P3/5B2/3P1N2/PPP1B1PP/R2QR1K1 b kq - 0 12
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1475
Best move: Qxf4