It's the Lengfellner system. I guess the idea is to go into a Hippo defense since both bishops are locked in, but I'm not really familiar with this opening.
french defense 2...d6
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What is 9. h4!?
I have been experimenting with this opening 1.e4 ...e6 2.d4 ...d6 as black and been enjoying some success with it. I was wondering what the name of this variation is and maybe if anyone knew anything about it.