Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Declined_Variation
Moves: 1. e4 Nc6 2. Nf3 g6 3. Nc3 Bg7 4. d4 e5 5. dxe5 Nxe5 6. Bf4 Nxf3+ 7. Qxf3 d6 8.
Bc4 Nf6 9. Bg5 O-O *
Position (FEN): r1bq1rk1/ppp2pbp/3p1np1/6B1/2B1P3/2N2Q2/PPP2PPP/R3K2R w KQ - 4 10
White to move.
Themes:  Middlegame  
Puzzle rating: 1494
Best move: Nd5