Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Bg4 7. Qd3 e5 8. Nf5
Bxf5 9. exf5 Nc6 10. O-O Be7 11. Nd5 Nxd5 12. Bxd5 Rb8 13. Bxf7+ *
Position (FEN): 1r1qk2r/1p2bBpp/p1np4/4pP2/8/3Q4/PPP2PPP/R1B2RK1 b k - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 475
Best move: Kxf7