Hmm. There are both rating and time considerations on the on the puzzles.
If you solve a puzzle rated way below your rating, you get less points. The points you get also decrease the more time you take.
However, if you solve it, but take all day, you still get 5 points.
Therefore, there is a big incentive to be correct and avoid guessing the first move you see.
It looks like you miss a lot of puzzles rated way below you. It looks like you almost never take more than the average time. You might try taking your time until you are pretty confident of your solution.
You have a 2012 puzzles rating. When you missed a 1312 rated puzzle in 35 seconds, you lost 20 points.
When you missed a 1093 rated puzzle in 18 seconds, you lost 21 points.
When you missed a 1082 rated puzzle in 10 seconds, you lost 21 points.
Those puzzles were all rated at least 700 points below your rating. Two more than 900 points.
I think you need to think longer on the easy puzzles.
Taking your time doesn't hurt as much as missing a puzzle rated way below you.
If you miss a puzzle rated way above you, the number of points you lose is reduced.
You missed 9 puzzles on the list of 15 puzzles above. Only 2 were rated higher than 2000.
You should probably have gotten a lot better score than 6 out of 15.
When you get a puzzle right = +5
When you get a puzzle wrong = -20