Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Stanley_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nc3 Bb4 4. Nge2 Nc6 5. a3 Ba5 6. b4 Bb6 7. d3 Nd4 8.
Nxd4 Bxd4 9. Bb2 O-O 10. O-O d5 11. Nxd5 *
Position (FEN): r1bq1rk1/ppp2ppp/5n2/3Np3/1PBbP3/P2P4/1BP2PPP/R2Q1RK1 b - - 0 11
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1419
Best move: Bxb2