Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Nimzowitsch_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Bc4 Nc6 6. Bf4 dxe5 7. Qxd8+ Nxd8
8. Bxe5 Bg4 9. Nd4 Bd7 10. Bxc7 Nc6 11. O-O *
Position (FEN): r3kb1r/ppBb1ppp/2n5/8/2BNn3/8/PPP2PPP/RN3RK1 b kq - 2 11
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 890
Best move: Nxd4