which is the Hardest varient you think

hi all
which is the Hardest varient do you think?

according to you which is the Hardest varient

Which do you think is the hardest ?

If you can pull off a good traxler counter attack it's pretty hard to tame

Yet it's tricky on both sides

i think crazyhouse is the hardest of all
for me it is very hard

yeah

Oooh variant as in type of chess game not opening?

racing kings hardest
Atomic easiest

actually antichess is very easy to learn