Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Two_Knights_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6
8. Nc3 Nb4 9. Bb3 c6 10. a3 Na6 11. O-O Nc5 12. Nxd5 *
Position (FEN): r1bq1b1r/pp4pp/2p1k3/2nNp3/8/PB3Q2/1PPP1PPP/R1B2RK1 b - - 0 12
Black to move.
Themes:  Opening  
Puzzle rating: 2021
Best move: Nxb3