Best move versus # times played

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sportoman

Novice here.  I reached the following position and computer analysis says b6 is the best move whereas b6 ranks VERY low when compared to other moves in the Openings Explorer for the same position.

RNBQKBNR%20b%20KQkq%20-%200%203&board=green&piece=neo&size=3&flip=true

Can someone explain why the 'best move' would not be played more?

Thanks in advance.

Laskersnephew
Which computer? And how long did you allow it to analyze? No good player considers 3...b6 to be the "best" move, and I suspect no strings no computer does either
sportoman

b6 ranks 1st or 2nd on 5min Stockfish analysis using the chess.com engine. Hence my original question.

Laskersnephew

I think your search results are being distorted by a move order difference. After 1.d4 d5 2.c4 e6 3.e3 is a very lame move that is almost never player at master level. In the Chessbase online database, 3.e3 was played in 87 out of 58,000 games. But after 1.d4 d5 2.c4 dxc4, 3.e3 is played relatively frequently. So in the database it looks as it 1.d4 d5 2.c4 e6 3.e3 dxc4 is frequently played, but it isn't