Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. c4 Nbd7 5. Nc3 e6 6. e3 Bb4 7. a3 Bxc3+ 8.
bxc3 O-O 9. Be2 Ne4 10. Qc2 Qa5 11. Bd6 *
Position (FEN): r1b2rk1/pp1n1ppp/2pBp3/q2p4/2PPn3/P1P1PN2/2Q1BPPP/R3K2R b KQ - 6 11
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1444
Best move: Nxd6