thats insane, im been winning 26-28 and losing 13-16 since the start of the season.
How many ranked games do you tend to play daily? How many have you played this season?
Edit: as i figured, you have a ton.
I CAN NOT PUT MY FINGER ON IT, but somehow high numbers of games played factors into lower lp gains and higher lp losses.
Honestly my best guesses are that, its the systems way of putting you where you belong after playing so many games at one spot without climbing or dropping. It evens you out where you stand.
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Basically if you sit at 60%+ winrate with low amounts of games played, the system thinks youre not supposed to be there and forces you out.
If you have 50% + - winrate with a ton of games played, the system thinks youre exactly where you should be.**