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Individual Calculations July 2011 |
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| Bruin, Randolf Willem Total change: -26.50 | |   |
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| 4NCL 2011 | various | ENG | 2010-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2009 | 0.00 | 2 | -1.06 | 25 | -26.50 | |
|  Birkin, Mark H | | | 1895 | ENG | 0.00 | 1 | -0.66 | 25 | -16.50 | |  Roberts, David L | | | 2082 | ENG | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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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