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Individual Calculations October 2008 |
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| Collier, David O Total change: -4.35 | |   |
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| South Wales International | Pontypridd | WLS | 2008-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2093 | 1.50 | 4 | -0.31 | 15 | -4.65 | |
|  Marusenko, Petr | m | | 2327 | UKR | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Turner, Joseph David | | | 1966 | WLS | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Storey, Charles H | | | 2268 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | White, Ernest M | | | 1979 | ENG | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | Ron Bruce Premier | Paignton | ENG | 2008-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2093 | 3.00 | 6 | 0.02 | 15 | 0.30 | |
| | Wheeler, John F | c | | 2125 | ENG | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Marshall, Michael O | | | 1915 | DEN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Dodgson, John A | | | 2135 | ENG | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Hodgson, John H | | | 2208 | ENG | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Rosen, Daniel B | c | | 2148 | ENG | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Cutmore, David A | | | 2031 | ENG | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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