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Individual Calculations September 2009 |
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| Downham, Alan F Total change: 20.50 | |   |
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| British Championships-Seniors | Torquay | ENG | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2007 | 3.50 | 7 | 0.82 | 25 | 20.50 | |
|  Habershon, Paul F | | | 2079 | ENG | 0.50 | 1 | 0.10 | 25 | 2.50 | |  Anderton, David W | c | | 2215 | ENG | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Gosling, Brian G E | | | 2010 | ENG | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Armstrong, William G | | | 1975 | ENG | 1.00 | 1 | 0.46 | 25 | 11.50 | | | Dickson, George | | | 2108 | ENG | 0.50 | 1 | 0.14 | 25 | 3.50 | | | James, Geoffrey H | c | | 2204 | ENG | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Collins, Peter M | | | 2082 | 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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