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Individual Calculations July 2010 |
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| Khoo, Selina Total change: -2.55 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1981 | 2.00 | 4 | -0.17 | 15 | -2.55 | |
|  Wells, Daniel J | | | 2014 | ENG | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Hall, Joshua D W | | | 1939 | ENG | 0.00 | 1 | -0.56 | 15 | -8.40 | |  Thilaganathan, Jessica | | | 1900 | ENG | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Holland, James P | | | 1943 | ENG | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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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