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Individual Calculations September 2018 |
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| Wei, Naomi Total change: 9.40 | |   |
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| 64th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1772 | 1.50 | 4 | 0.47 | 20 | 9.40 | |
|  Varney, Zoe | | | 2003 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | |  Salerno, Francesco | | | 1930 | ITA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Represa Perez, Mireya | | wf | 2078 | ESP | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Kramaley, David | | | 1855 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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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