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Individual Calculations April 2008 |
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| Basham, Edward P Total change: 10.25 | |   |
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| London Christmas Open | Harrow | ENG | 2007-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1876 | 1.50 | 3 | 0.41 | 25 | 10.25 | |
|  Martin, Lewis | | | 1999 | ENG | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Clegg, Chris R A | | | 2007 | ENG | 1.00 | 1 | 0.68 | 25 | 17.00 | |  Rabbitte, Michael J | | | 1917 | ENG | 0.50 | 1 | 0.06 | 25 | 1.50 | |
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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