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Individual Calculations September 2021 |
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| Wijetunge, Ivan Total change: -10.40 | |   |
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| Castle FIDE - Premiere August 2021 | Bloomington, Minnesota | USA | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1879 | 0.50 | 3 | -0.52 | 20 | -10.40 | |
|  Iwu, Okechukwu Ane | | | 2097 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Lee, Alice Teresa | | wc | 1994 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Wynn, Charles R | | | 1909 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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