Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Austrian_Attack
Moves: 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 Nfd7 6. f5 dxe5 7. fxg6 exd4 *
Position (FEN): rnbqk2r/pppnppbp/6P1/8/3p4/2N5/PPP3PP/R1BQKBNR w KQkq - 0 8
White to move.
Themes: Advanced Pawn, Attacking f2 or f7 Opening  
Puzzle rating: 1357
Best move: gxf7+