Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nf6 5. Nc3 O-O 6. Re1 Ng4 7. Rf1 d6 8. d3
f5 9. Bc4+ Kh8 10. Ng5 f4 11. Nf7+ *
Position (FEN): r1bq1r1k/ppp2Npp/2np4/2b1p3/2B1Ppn1/2NP4/PPP2PPP/R1BQ1RK1 b - - 1 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1362
Best move: Rxf7