6...Ne8 and 6...d5 are the main moves played followed by 6...Nh5 and 6...d6
The move ...h6 can seriously weaken the b1-h7 diagonal.
Going down the main line might help explain what this Knight is doing on e8:
From this diagram you can imagine if 6...h6 was played instead. Once White gets e4-...
I am assuming proving such a thing is impossible with today's technology, so I will give a close one.
[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
1. d4 g5 2. Bxg5
In this position after 2.Bxg5, Stockfish 14+ NNUE gives +3.0 with depth 32. Of course I am saying neither +3.0 is a proof of a decisive ...
I asked a GM and surmise the following answer. Basically all GMs have an "opening repertoire" which includes every opening. Some of them they'll know especially well, e.g. a player who specializes in the Alekhine's Defense will also know the opening to high depth, but even those who never play the Alekhine's Defense as Black will still know some ...
There is a poster on the /chess/ thread in 4chan.org/tg/ who started this opening and shilled it relentlessly. It's just one dude who has enough time to post about it constantly and pay streamers to play it lol. The guy who made it has even streamed on Twitch but I can't remember his username. There's nothing legitimate to it and the opening itself is a ...
I asked a GM and apparently the reason for top GMs not playing 1. g3 is because it's not as good as the main moves at pressing for an advantage. This is confirmed by the cloud analysis on Lichess:
After 1. e4 White has an advantage of +0.3
After 1. d4 White has an advantage of +0.2
After 1. Nf3 White has an advantage of +0.2
After 1. c4 White has an ...