Chess puzzle (Advantage)
Opening: Kings_Knight_Opening, Kings_Knight_Opening_Normal_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. h3 Bc5 4. Be2 Nf6 5. d3 h6 6. O-O d6 7. Be3 Bb6 8. Bxb6
axb6 9. Nbd2 Be6 10. b3 Nb4 11. c3 Nc6 12. c4 Nb4 13. a3 Nc6 14. b4 O-O 15. b5
Ne7 16. a4 Ng6 17. Nb3 Nf4 18. Re1 Qd7 19. d4 Nxh3+ *
Position (FEN): r4rk1/1ppq1pp1/1p1pbn1p/1P2p3/P1PPP3/1N3N1n/4BPP1/R2QR1K1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 754
Best move: gxh3