Chess puzzle (Advantage)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. Nf3 Bb7 3. Nc3 d6 4. d4 Nd7 5. Bb5 a6 6. Ba4 b5 7. Bb3 e5 8. Ng5
Nh6 9. dxe5 Nxe5 10. Nf3 Nhg4 11. h3 Nf6 12. Ng5 c5 13. Nxf7 *
Position (FEN): r2qkb1r/1b3Npp/p2p1n2/1pp1n3/4P3/1BN4P/PPP2PP1/R1BQK2R b KQkq - 0 13
Black to move.
Themes:  Opening  
Puzzle rating: 1142
Best move: Nxf7