Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Classical_Variation
Moves: 1. Nf3 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 O-O 6. Be2 h6 7. Qd2 Kh7 8. h4
Nh5 9. Nh2 Nf6 10. g4 Nc6 11. h5 g5 12. Nf3 Nxg4 13. Bxg5 hxg5 14. Nxg5+ Kg8 *
Position (FEN): r1bq1rk1/ppp1ppb1/2np4/6NP/3PP1n1/2N5/PPPQBP2/R3K2R w KQ - 1 15
White to move.
Themes:  Middlegame  
Puzzle rating: 2475
Best move: Rg1