💜 How to Calculate Ratings

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Check below!
Thanks for @AllenBB314!!!

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NCV Ratings calculation:


(Note that L is W but opposite and x -1.)

(Lower limit Range < Upper limit)


Rating change:

  1. Find Opponent rating - Your rating
  2. Find the correct row from table above.
  3. In that row, if you Won: Use W; if it is a Draw: Use D; if you lost: Use L
  4. Find the value k (e.g.: 3rd row, use D: k=-1.0)
  5. If it is a normal game: Change = 10k; Daily games/Vote chess: 80k
  6. Your final rating = Original rating + Change

(Example: If you (Rating: 750) lost to a player (Rating: 100) (normal game) and Opponent rating - Your rating (=-650) < -500, then your rating change: -5.0 x 10 = -50 (-500 belongs to first row of table); Opponent’s rating change: 5.0 x 10 = +50 (500 belongs to last row of table)

So final ratings: You: 750-50=700; Opponent: 100+50=150)


Quiz: Your Rating: 1500; Opponent Rating: 1250

You won in a daily game, find your final rating.


Base rating win/draw/lose:
Normal Games: 10
Daily games/Vote chess: 80


WoF L.B.

NCV L.B.


Solution of Quiz:

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