Chess puzzle (Advantage)
Moves: 1. e4 e5 2. c3 d6 3. Nf3 h6 4. Bc4 Be7 5. d3 Nf6 6. h3 c6 7. Nbd2 a5 8. a4 O-O
9. g4 Nh7 10. Nf1 Qd7 11. N1h2 Qc7 12. Be3 b6 13. Qe2 Nd7 14. Qf1 Ba6 15. Bxa6
Rxa6 16. Qg2 b5 17. g5 Bxg5 18. Bxg5 hxg5 19. Nxg5 Nxg5 20. Qxg5 Nf6 *
Position (FEN): 5rk1/2q2pp1/r1pp1n2/pp2p1Q1/P3P3/2PP3P/1P3P1N/R3K2R w KQ - 1 21
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1347
Best move: Rg1