It would be nice though if all these OPs learned that jawing like that doesn't really get you any closer to being a good player (although it might well enable you to ace some hypothetical midterm).
Never!!! This is chess.com where the sloughter guy discusses digital traxler.
Edit: ha!
https://www.chess.com/forum/view/chess-openings/a-simple-refutation-of-the-wilkes-barre-traxler
Its all about experience.If you see the blitz(even bullet) games of Hikaru you will realize his intuition is very well developed since he is familiar with most of the positions and patterns that come up in his games.
To answer your question,If its a forced variation grandmasters can calculate till as many moves they want but in unforced positions they rely on their knowledge and memory.
Depends on position. Hikaru always play 1. b3 2..Bb2.
Simple, he try to reach his familiar position and save time . So his bullet/ blitz is 3100+. But his game play level ( accuracy) will be much lower in his unfamiliar position like chess 960..
Compare accuracy between his regular chess vs chess 960 .