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Individual Calculations July 2010 |
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| Graham, David B Total change: -2.25 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2207 | 2.00 | 4 | -0.15 | 15 | -2.25 | |
|  Kett, Timothy J | | | 2238 | WLS | 0.50 | 1 | 0.04 | 15 | 0.60 | |  Jones, William E G | | | 2085 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Ashton, Adam G | f | | 2319 | ENG | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Humphreys, Jerry G | | | 2082 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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