Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O a6 5. Bc4 b5 6. Bb3 Ng6 7. d3 Bd6 8. a3
Nd4 9. Ba2 Bb7 10. Be3 c5 11. Nbd2 Qf6 *
Position (FEN): r3k2r/1b1p1ppp/p2b1qn1/1pp1p3/3nP3/P2PBN2/BPPN1PPP/R2Q1RK1 w kq - 2 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1421
Best move: Bg5