I reckon over half of my deaths in deathmatch come from being shot at from angles I wasn't looking at. It doesn't resemble competitive Valorant closely, imo, because in that you can usually rule out some of the angles. In deathmatch, someon...

If you win a round and still have knives leftover while defusing, if time allows it, use all your knives then defuse. If you don't, you wont get the extra ult point. A little trick but its effective in getting your ult quickly.