Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nge7 6. Re1 Ng6 7. d4 Be7 8. d5
Nb8 9. Qb3 b6 10. g3 O-O 11. Be2 f5 12. exf5 Bxf5 13. Nbd2 Nd7 14. Nf1 Nc5 15.
Qc4 Bg4 *
Position (FEN): r2q1rk1/p1p1b1pp/1p1p2n1/2nPp3/2Q3b1/2P2NP1/PP2BP1P/R1B1RNK1 w - - 6 16
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1553
Best move: Qxg4