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Individual Calculations July 2010 |
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| Howell, Chris I Total change: -7.50 | |   |
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| Coulsdon Super League | Coulsdon | ENG | 2009-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 2077 | 1.00 | 2 | -0.55 | 15 | -8.25 | |
|  Maguire, Robert | | | 1825 | ENG | 0.50 | 1 | -0.31 | 15 | -4.65 | |  Kane, Frank G | | | 1891 | ENG | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2077 | 0.50 | 1 | 0.05 | 15 | 0.75 | |
| | Roberts, David L | | | 2110 | ENG | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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