Best is Magnus or Kasparov, my favorite is Gotham or Hikaru
Best chess player ever

I love Fischer and Kasparov just like the next guy, but the answer is Magnus (argue with a brick wall)

Giulio Cesare Polerio
who?
Italian player. Died in 1610.
Indirectly, through his writings, was the teacher of Gioachino Greco.
One of the games from Polerio’s manuscripts:

of the most excellent, effective, or desirable type or quality.
And how do you measure any of those qualities?

of the most excellent, effective, or desirable type or quality.
And how do you measure any of those qualities?
its kind of self explanetory
who do you think the best chess player ever is?