Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Other_variations
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 O-O 6. Qd2 Nbd7 7. g4 e5 8. Nge2
a6 9. h4 exd4 10. Nxd4 Ne5 11. Be2 c5 12. Nb3 Bxg4 *
Position (FEN): r2q1rk1/1p3pbp/p2p1np1/2p1n3/4P1bP/1NN1BP2/PPPQB3/R3K2R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1067
Best move: fxg4