most ppl think a high ping is bad BUT u can use it agains the lagger. a lagg works in both ways so u lagg to the lagger aswell. it will make it harder to aim but easier to dodge.
at gladiator
try this: get ur opponent so mad it follows u and keep doing backward tbf. in the opponents view he hitted u million times but u don't suffer damage cause ur walkin backwards whenn he tries to hit u. he will walk in ur tbf all the time and die while ur still full hp.
at deathmatch
do a triangle dbf till ur opponent gets a massive dash backwards and rs him. job done. DON'T use masives urself keep moving so the opponent can't hit u easy.