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Individual Calculations October 2008 |
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| Turner, Joseph David Total change: 12.75 | |   |
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| Welsh Championships | Cardiff | WLS | 2008-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 1966 | 2.00 | 4 | 0.66 | 15 | 9.90 | |
|  Jones, Richard S. | f | | 2316 | WLS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bennion, David | | | 2070 | WLS | 1.00 | 1 | 0.64 | 15 | 9.60 | |  Fathallah, Joe | | | 1970 | WLS | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Davis, Lee | | | 2056 | WLS | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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) | | | | South Wales International | Pontypridd | WLS | 2008-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 1966 | 2.00 | 5 | 0.19 | 15 | 2.85 | |
| | Rees, Ioan | c | | 2287 | WLS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Collier, David O | | | 2093 | ENG | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Davis, Lee | | | 2071 | WLS | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Hickman, John E | | | 1964 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Brown, Thomas | | | 1975 | WLS | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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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