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Individual Calculations October 2017 |
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| Somton, Anita Total change: 5.20 | |   |
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| 15th 4NCL Congress Open | Doncaster | ENG | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1791 | 1.00 | 4 | 0.13 | 40 | 5.20 | |
|  Burke, Mitchell R | | | 1989 | ENG | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Burnett, Jim | | | 2107 | ENG | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Head, Louise | | | 2060 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Truman, Richard G | | | 1918 | ENG | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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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