LP and MMR

koRv1N - Summoner Stats - League of Legends
koRv1N / Diamond 4 14LP / 59W 45L Win Ratio 57% / Ahri - 38W 20L Win Ratio 66%, Fizz - 10W 14L Win Ratio 42%, Jarvan IV - 4W 3L Win Ratio 57%, Kassadin - 2W 3L Win Ratio 40%, Diana - 2W 1L Win Ratio 67%
What happened with my mmr after i got d4 lol I was getting 20-21 lp for win when i was p1, but after promos i suddenly got 14 for no reason Wtf rito
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