[Comment "auto-generated from "]
[Event "Pirc Analysis"]
[Site "Byrne Variation"]
[Date "2016.01.01"]
[Round "?"]
[White "4.Bg5"]
[Black "Na6+c5 idea"]
[Result "*"]
[EventDate "2016.01.01"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 c6 5.f4 
    ( 5.Qd2 Bg7 6.f4 O-O 7.Bd3 Na6 {Transposes to positions covered via 5.f4 move order.} )
5...Bg7 6.Qd2 O-O 7.Bd3 Na6 8.Nf3 c5 9.d5 c4 10.Bxc4 Nc5 11.Bxf6 
    ( 11.Bd3 Qb6 
        ( 11...b5!? )
    )
11...Bxf6 
    ( 11...exf6!? )
12.e5 Bg7 13.O-O-O a6 14.Be2 
    ( 14.Rhe1 b5 15.Bf1 Bg4 )
14...b5 15.Qe3 Qc7 *