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Individual Calculations July 2010 |
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| Cumming, Rhys Total change: 31.35 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1969 | 3.50 | 4 | 2.09 | 15 | 31.35 | |
|  Gregory, Stephen J | | | 2126 | ENG | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Stevenson, James A B | | | 2089 | SCO | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Thilaganathan, Jessica | | | 1900 | ENG | 1.00 | 1 | 0.40 | 15 | 6.00 | | | James, Russell A | | | 2226 | ENG | 1.00 | 1 | 0.82 | 15 | 12.30 | |
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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