I really don't know anything to play against the Taimanov it's totally unbeatable if black knows their theory.
On the other hand I have had 2000 rated players play the Grob and beat me.
Any openings can be played by any player from any rating. You might haven't met high rated players who make mistakes during opening
I really don't know anything to play against the Taimanov it's totally unbeatable if black knows their theory.
On the other hand I have had 2000 rated players play the Grob and beat me.