Test Elo Calculations with the original FIDE Players Database 

6. Below is a short explanation of the above table:  The Player A Elo results were recalculated by FIDE in June 2017 for 1 chess tournament.  Find in the above table the chess tournament name, town, country, and start date.  The table shows that Player A played 3 games against Players B, C, and D.  Rc is average rating of rated opponents of Player A (1832).  Ro is rating of a player in a tournament (A = 1922, B = 1798, C = 1801, and D = 1897).  w is points won in a tournament against rated opponents (A got 2 points of 3: 1, 0, 1).  n is total number of games against rated opponents (A played 3 games: 1, 1, 1).  change is absolute rating change of Player A without taking into account his Kfactor: (0.14 for 3 games: 0.33 for game 1, 0.66 for game 2, and 0.47 for game 3).  K is Kfactor (development coefficient) for Player A (his Kfactor is 40 for each game).  K*chg is rating change for Player A (Kfactor*change): +5.60 7. To test Elo Calculator for the Elo results of Player A for 3 games:  Type Rating of Opponent 1: 1798 (Player B) Rating of Opponent 2: 1801 (Player C) Rating of Opponent 3: 1897 (Player D)  Type Player's Rating: 1922 (Player A)  Type Player's Score: 2 (Player A)  Type Number of Games: 3 (Player A)  Select Player's Kfactor: 40 (Player A)  Click Calculate and Elo Calculator for FIDE will display: Increase: 0.14 (Player A for 3 games) Rating Change: 5.60 (Player A) New Rating: 1928 (Player A) Opponents' Average: 1832 [Real: 1832], rule of 400 points was not applied. Screenshot of Elo Calculator for FIDE for this calculation: 8. To see the link to the FIDE Players Database, visit the chess links page of this site and find the link in question at the very top  as the first link, with explanations. 9.To see how the FIDE rating calculation system works, click Elo in Simple at Chesselo.com.  Home Home Home Home Home Home Home Back to top 