Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bc4 Qf6 6. d3 d5 7. Bxd5 Nc5 8.
O-O Bg4 9. Bxb7 *
Position (FEN): rn2kb1r/pBp2ppp/5q2/2n5/6b1/3P1N2/PPP2PPP/RNBQ1RK1 b kq - 0 9
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1547
Best move: Nxb7