Jobava London System against the Nf6, d5, g6 setup

The Jobava London System can be responded to in various ways, one of which is a fianchetto grunfeld type of setup in which black plays Nf6, d5, and g6 on his first three moves.

Full Jobava London playlist: youtube.com/playlist?list=PLssNbVBYrGcCsa6XDOR_Saig93_4_fkki

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When black plays g6, white's attacking plans become very obvious. h4 is a natural undermining idea which aims to punish g6 - a weakness which is exploitable in practice. In conjunction with Ne5 jumps, this means that white will most often play a kingside attack if black chooses to go for this setup.
There are three ways to play against g6, I have covered them all. Below you can find timestamps for each chapter.

0:00 Introduction
05:01 Nb5
10:24 h4
20:26 Barry Attack setup

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