Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Fianchetto_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 exd4 6. cxd4 a6 7. Ba4 b5 8. Bc2
d6 9. O-O Nge7 10. Re1 O-O 11. Bg5 h6 12. Bxe7 Qxe7 13. e5 dxe5 14. dxe5 Bg4
15. Nbd2 Rad8 16. Qc1 Nxe5 17. Nxe5 Bxe5 18. h3 Bc8 *
Position (FEN): 2br1rk1/2p1qp2/p5pp/1p2b3/8/7P/PPBN1PP1/R1Q1R1K1 w - - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1527
Best move: Nf3