Chess puzzle (Advantage)
Moves: 1. d3 Nc6 2. e4 Nf6 3. h3 e5 4. c3 Bc5 5. Nd2 d6 6. Ngf3 Be6 7. Be2 O-O 8. g4
h6 9. Rg1 Nh7 10. h4 Nf6 11. g5 Nh5 12. gxh6 Nf4 13. Rxg7+ Kh8 14. Ng5 Bh3 15.
Nxf7+ Rxf7 16. Rxf7 Ng2+ 17. Kf1 Ne3+ 18. Kg1 Nxd1 19. Bxd1 Qg8+ 20. Rg7 Qf8
21. Nf3 Ne7 *
Position (FEN): r4q1k/ppp1n1R1/3p3P/2b1p3/4P2P/2PP1N1b/PP3P2/R1BB2K1 w - - 5 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1994
Best move: d4