Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. d5 Nd4 6. Nxd4 exd4 7. Bxd7+ Qxd7 8.
Qxd4 h6 9. Nc3 Nf6 10. O-O Be7 11. e5 dxe5 12. Qxe5 O-O 13. Re1 Rfe8 14. Qg3 *
Position (FEN): r3r1k1/pppqbpp1/5n1p/3P4/8/2N3Q1/PPP2PPP/R1B1R1K1 b - - 4 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1469
Best move: Bd6