You mean like 1 minute games? Well speed chess if for gm as you said. They play them so that they can play more games in a row.Learning speed chess is not a necessity but if you want to go learn. Speed chess is just there for Gm's who think fast. Hope I answered your question.
SPEED CHESS
If you need help, please contact our Help and Support team.
Hi I just watched a GM game and I was wondering what is the purpose of speed chess and is this something that I should learn to play?