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Individual Calculations January 2009 |
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| Downey, Keith Total change: 43.75 | |   |
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| 34th Guernsey International Open | Guernsey | GCI | 2008-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1887 | 3.50 | 7 | 1.75 | 25 | 43.75 | |
|  Collier, David | | | 2089 | ENG | 0.50 | 1 | 0.26 | 25 | 6.50 | |  Goris, Ton | | | 2077 | NED | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Heppell, Ian | | | 2169 | ENG | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Vickery, Jim | | | 2113 | ENG | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Kett, Timothy | | | 2237 | WLS | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Guttridge, David | | | 1992 | ENG | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Gravett, Alan | | | 1948 | ENG | 1.00 | 1 | 0.58 | 25 | 14.50 | |
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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