When I play deathmatch I feel like my aim is decent/ok, I hit my headshots, crosshair placements is good but whenever I go into ranked I suddenly forget everything, I miss easy shots, any tip for this? has this happened to anyone else? I k...

Literally if you play lets say 10 hours of spike rush and deathmatch you end up with a much higher account level than if you had played the same 10 hours but in a unrated/comp match. Something needs to be done about and also I am being hara...