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Individual Calculations October 2008 |
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| White, Ernest M Total change: 0.15 | |   |
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| Welsh Championships | Cardiff | WLS | 2008-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 1979 | 1.50 | 3 | 0.13 | 15 | 1.95 | |
|  Morris, Gareth | | | 2118 | WLS | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Davies, Carl | | | 1857 | WLS | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Davis, Lee | | | 2056 | WLS | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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 |
| 2063 | 1979 | 2.00 | 4 | 0.43 | 15 | 6.45 | |
| | Rudd, Jack | f | | 2329 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Jones, Jeremy | | | 1649 | WLS | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Menadue, Jeremy F S | | | 2179 | ENG | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Collier, David O | | | 2093 | 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 |
| 2122 | 1979 | 1.00 | 5 | -0.55 | 15 | -8.25 | |
| | Marsh, Roger D W | | | 2098 | ENG | 0.50 | 1 | 0.16 | 15 | 2.40 | | | French, Angus J | | | 2132 | ENG | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Bolt, Graham | | | 2118 | ENG | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Hurwitz, Ed J G | | | 2072 | ENG | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Adams, David M | | | 2188 | ENG | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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