Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 f6 6. Nc3 Na5 7. d4 Nxb3 8. axb3
Bb4 9. dxe5 fxe5 10. Bg5 Nf6 11. Nxe5 Qe7 12. Bxf6 Qxf6 13. Qh5+ *
Position (FEN): r1b1k2r/2pp2pp/p4q2/1p2N2Q/1b2P3/1PN5/1PP2PPP/R3K2R b KQkq - 1 13
Black to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1042
Best move: g6