[Comment "auto-generated from http://www.jesseo.com/chesspublishing/pgn.php?pgndata=[Event%20%26quot;Pirc%204.Bf4%20repertoire%26quot;]%0A[Site%20%26quot;?%26quot;]%0A[Date%20%26quot;2018.01.01%26quot;]%0A[Round%20%26quot;?%26quot;]%0A[White%20%26quot;4.Bf4%26quot;]%0A[Black%20%26quot;4...Bg7%20+%205...c6%26quot;]%0A[Result%20%26quot;*%26quot;]%0A[EventDate%20%26quot;2018.01.01%26quot;]%0A%0A1.e4%20d6%202.d4%20Nf6%203.Nc3%20g6%204.Bf4%20Bg7%205.Qd2%20c6%206.Bh6%20Bxh6%207.Qxh6%20e5%208.dxe5%20dxe5%209.Nf3%20Nbd7%2010.Bc4%20b5%2011.Bb3%20Qe7%2012.O-O%20Nc5%2013.Ng5%20%0A%26nbsp;%20%26nbsp;%20(%2013.a3%20Nxb3%2014.cxb3%20Bg4%2015.Nd2%20%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2015.Ng5%20Nh5%2016.h3%20Bc8%2017.b4%20f6%2018.Nf3%20Ng7%2019.Qe3%20O-O%20%26%23123;(%3D)%20Black%20is%20OK.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%2015...Rd8%2016.b4%20g5!%2017.f3%20Rg8%2018.fxg4%20Rg6%2019.Qh3%20Rxd2%2020.Rad1%20Rxd1%2021.Rxd1%20Kf8%20%26%23123;(%3D)%20to%20(%EF%BC%8B/%20%3D%20)%20Black%20should%20have%20few%20problems%20holding%20this%20with%20accurate%20play.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%20(%2013.Rfe1%20Nh5%2014.Rad1%20%0A%26nbsp;%20%26nbsp;%26nbsp;%20%26nbsp;%26nbsp;%20(%2014.Nd2%20f6%2015.Qe3%20Be6%2016.a4%20b4%2017.Ne2%20Ng7%20%26%23123;(%3D)%20Black%20should%20be%20fine.%26%23125;%20)%0A%26nbsp;%20%26nbsp;%2014...Bg4%2015.Bd5!?%20%26%23123;Probably%20it%20is%20hard%20to%20play%20for%20advantage%20without%20doing%20this%20but%20it%20doesn%27t%20turn%20out%20great.%26%23125;%2015...cxd5%2016.Nxd5%20Qb7%2017.Qg5%20Be6%2018.g4%20f6%2019.Qe3%20Bxg4%2020.Qxc5%20Rc8%2021.Qa3%20Rf8%20%26%23123;(%20%3D%20/%EF%BC%8B)%20to%20(%E2%88%9E)%26%23125;%20)%0A13...Rf8%2014.Nxh7%20Nxh7%2015.Qxh7%20a5%2016.a3%20Nxb3!?%2017.cxb3%20Be6%2018.Rfc1%20%0A%26nbsp;%20%26nbsp;%20(%2018.b4%20O-O-O%20%26%23123;What%20a%20move.%20The%20threat%20is%20a%20combination%20of%20Rh8,%20Bc4%20and%20Rdg8.%20Because%20of%20this%20black%20won%27t%20get%20punished%20for%20castling%20to%20his%20weakened%20queenside.%26%23125;%2019.Qh6%20axb4%2020.axb4%20Kb7%2021.Qe3%20Ra8%20%26%23123;(%3D)%26%23125;%20)%0A%26nbsp;%20%26nbsp;%20(%2018.Rac1%20Bxb3%2019.Nb1%20Qd6!?%20%26%23123;(%3D)%20to%20(%EF%BC%8B/%20%3D%20)%26%23125;%20)%0A18...Qg5%2019.Ne2%20Rc8%2020.b4%20Bc4%2021.Qh3%20Ke7%2022.f4%20exf4%2023.Nd4%20Rh8%2024.Qc3%20a4%20%26%23123;(%3D)%20to%20(%EF%BC%8B/%20%3D%20)%20Black%20should%20be%20about%20OK.%20There%20are%20some%20imbalances%20but%20not%20anything%20that%20looks%20worriesome.%26%23125;%20*"]
[Event "Pirc 4.Bf4 repertoire"]
[Site "?"]
[Date "2018.01.01"]
[Round "?"]
[White "4.Bf4"]
[Black "4...Bg7 + 5...c6"]
[Result "*"]
[EventDate "2018.01.01"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bf4 Bg7 5.Qd2 c6 6.Bh6 Bxh6 7.Qxh6 e5 8.dxe5 dxe5 9.Nf3 Nbd7 10.Bc4 b5 11.Bb3 Qe7 12.O-O Nc5 13.Ng5 
    ( 13.a3 Nxb3 14.cxb3 Bg4 15.Nd2 
        ( 15.Ng5 Nh5 16.h3 Bc8 17.b4 f6 18.Nf3 Ng7 19.Qe3 O-O {(=) Black is OK.} )
    15...Rd8 16.b4 g5! 17.f3 Rg8 18.fxg4 Rg6 19.Qh3 Rxd2 20.Rad1 Rxd1 21.Rxd1 Kf8 {(=) to (+/ = ) Black should have few problems holding this with accurate play.} )
    ( 13.Rfe1 Nh5 14.Rad1 
        ( 14.Nd2 f6 15.Qe3 Be6 16.a4 b4 17.Ne2 Ng7 {(=) Black should be fine.} )
    14...Bg4 15.Bd5!? {Probably it is hard to play for advantage without doing this but it doesn't turn out great.} 15...cxd5 16.Nxd5 Qb7 17.Qg5 Be6 18.g4 f6 19.Qe3 Bxg4 20.Qxc5 Rc8 21.Qa3 Rf8 {( = /+) to (∞)} )
13...Rf8 14.Nxh7 Nxh7 15.Qxh7 a5 16.a3 Nxb3!? 17.cxb3 Be6 18.Rfc1 
    ( 18.b4 O-O-O {What a move. The threat is a combination of Rh8, Bc4 and Rdg8. Because of this black won't get punished for castling to his weakened queenside.} 19.Qh6 axb4 20.axb4 Kb7 21.Qe3 Ra8 {(=)} )
    ( 18.Rac1 Bxb3 19.Nb1 Qd6!? {(=) to (+/ = )} )
18...Qg5 19.Ne2 Rc8 20.b4 Bc4 21.Qh3 Ke7 22.f4 exf4 23.Nd4 Rh8 24.Qc3 a4 {(=) to (+/ = ) Black should be about OK. There are some imbalances but not anything that looks worriesome.} *