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Individual Calculations September 2009 |
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| Collins, Peter M Total change: -21.00 | |   |
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| British Championships-Seniors | Torquay | ENG | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2082 | 2.50 | 6 | -0.84 | 25 | -21.00 | |
|  Armstrong, William G | | | 1975 | ENG | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Norman, Kenneth I | c | | 2181 | ENG | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Habershon, Paul F | | | 2079 | ENG | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Moore, Gillian A | | | 1929 | ENG | 0.50 | 1 | -0.20 | 25 | -5.00 | | | Cook, Michael P | | | 2062 | ENG | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Downham, Alan F | | | 2007 | ENG | 0.50 | 1 | -0.10 | 25 | -2.50 | |
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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