Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Gunsberg_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Bc5 5. h3 O-O 6. Bc4 a6 7. d3 b5 8. Ba2 h6
9. g4 d6 10. Qe2 b4 11. g5 bxc3 12. bxc3 hxg5 13. Nxg5 Nh7 *
Position (FEN): r1bq1rk1/2p2ppn/p1np4/2b1p1N1/4P3/P1PP3P/B1P1QP2/R1B1K2R w KQ - 1 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1212
Best move: Nxh7