Individual Performance Ranking

Would it be possible for RIOT to implement some kind of system that gives or takes away LP based on your individual contribution towards the match. For example; How many towers did you take, assists. How much CS you have. How many assists you have. How many dragons you took, assists. Did you take baron, assists. I'd like a system where the game looks at your contribution towards winning or losing the match and you lose more LP the less you contributed. Also if someone DCs and they are flagged you should also lose less LP.
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