Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. O-O d5 5. exd5 exd5 6. Bb3 Nf6 7. a4 c4 8. Ba2
a6 9. Nc3 d4 10. Ne2 b5 11. Nexd4 *
Position (FEN): r1bqkb1r/5ppp/p1n2n2/1p6/P1pN4/5N2/BPPP1PPP/R1BQ1RK1 b kq - 0 11
Black to move.
Themes:  Opening  
Puzzle rating: 798
Best move: Nxd4