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Individual Calculations September 2009 |
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| Mapletoft, Alexander J Total change: 0.00 | |   |
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| South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1979 | 0 | 2.50 | 8 | 0.00 | 1838 | | 0.00 | |
|  Davis, Lee | | | 1948 | WLS | 0.00 | 1 | 0.00 | | 0.00 | | | Turner, Joseph David | | | 2007 | WLS | 0.00 | 1 | 0.00 | | 0.00 | |  Gibson, Christopher A | | | 1991 | ENG | 0.00 | 1 | 0.00 | | 0.00 | | | Hurn, Robert Aj | | | 1873 | WLS | 1.00 | 1 | 0.00 | | 0.00 | | | Gosling, Brian G E | | | 2010 | ENG | 1.00 | 1 | 0.00 | | 0.00 | | | Harley-Yeo, Gareth | | | 2043 | WLS | 0.00 | 1 | 0.00 | | 0.00 | | | White, Ernest M | | | 1976 | ENG | 0.50 | 1 | 0.00 | | 0.00 | | | Robinson, David | | | 1980 | WLS | 0.00 | 1 | 0.00 | | 0.00 | |
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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