For those who have difficulty keeping the running count, a side count or two, or multiple counts in their heads, perhaps this video may inspire you to keep improving.

This is the #1 rated chess player in the world, Magnus Carlsen, playing three simultaneous games of chess blindfolded.

Outstanding display of visual memory!

Games start at 6m40s.



Edit: woops, typo in the title.
Simultaneous* not simultaenous. Pressed one key before the other.