Silver II is one of the lowest ranks there is in CS:GO, only one rank above Silver I. Games around this level are likely to be filled with inexperienced players that struggle with areas of the game like spraying and using grenades.
Is Silver II Good?
Being a Silver II puts you in the top 96.10% of players. That means, if you were placed in a room with 100 other players, you'd probably be able to beat 3 of them. Total CS thinks that...
This is a fairly low rank for a beginner of the game.