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Individual Calculations September 2012 |
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| Westra, Roelof D Total change: -19.35 | |   |
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| British Championship: Senior 2012 | North Shields | ENG | 2012-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2119 | 3.50 | 7 | -1.29 | 15 | -19.35 | |
|  Bryant, Richard B E | | | 1945 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Reuben, Stewart | c | | 2045 | ENG | 0.50 | 1 | -0.10 | 15 | -1.50 | |  Myall, Ivan J | | | 2065 | ENG | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Marshall, Michael O | | | 1920 | DEN | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Lemoir, David A | | | 2057 | ENG | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Wood, Peter R | | | 1921 | ENG | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Annetts, Ivor S | | | 1908 | ENG | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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