> The truth is, blitz chess is not only insanely fun but extremely good training to develop intuition for slow chess. In case anyone has doubts about whether it is valuable, we just saw a world championship title awarded based on rapid

My opinion doesn't carry much as I haven't played competitively long enough, but I strongly agree with you here.

Just like in many things in life, constant time pressure helps build intuition; and in chess it helps us to trust our lines.

I felt like Fabiano was battling time in addition to Magnus.