I get limited time to play due to studies and exams and even then, it pisses me off when my team surrenders (Happens mostly in Unrated) randomly while losing 5-6 even when winning sometimes someone on my team randomly surrenders and then I'...

To improve these skills I recommend to listen to music while playing deathmatch. When you listen to music, you don't hear every steps so you have to check more places. It's better than muting the game, because you can still hear some things...