Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O g6 5. d4 a6 6. Ba4 Bg7 7. d5 b5 8. Bb3
Na5 9. d6 cxd6 10. Qxd6 Nb7 11. Qd1 O-O 12. Nc3 Nc5 13. Bd5 Nxd5 14. Qxd5 Qc7 *
Position (FEN): r1b2rk1/2qp1pbp/p5p1/1pnQp3/4P3/2N2N2/PPP2PPP/R1B2RK1 w - - 1 15
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1274
Best move: Qxa8