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Individual Calculations September 2010 |
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| Collier, David O Total change: -19.65 | |   |
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| British Championship - Senior | Canterbury | ENG | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2135 | 2.00 | 5 | -1.31 | 15 | -19.65 | |
|  Kelly, Ian G | | | 2060 | ENG | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Jeffries, Majid | | | 2002 | ENG | 0.50 | 1 | -0.18 | 15 | -2.70 | |  Ellison, D George | | | 2084 | ENG | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Morriss, Pete | | | 1927 | IRL | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Phillips, William | | | 1993 | ENG | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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