Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. c3 Bg4 6. h3 Bh5 7. d3 Qf6 8.
Nbd2 O-O-O 9. O-O Rxd3 10. Qe2 Rd8 11. Nc4 Bd6 *
Position (FEN): 2kr2nr/1pp2ppp/p1pb1q2/4p2b/2N1P3/2P2N1P/PP2QPP1/R1B2RK1 w - - 4 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1886
Best move: g4