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Individual Calculations September 2017 |
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| Crombleholme, Alan K Total change: -15.40 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2009 | 3.00 | 6 | -0.15 | 20 | -3.00 | |
|  Dennis, Nigel W | | | 1785 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Goodwin, Ed H | | | 1856 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | James, Geoffrey H | c | | 2181 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Reuben, Stewart | c | | 2074 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Anderton, David W | c | | 2087 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Valentine, Brian J | | | 1933 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 2009 | 3.00 | 5 | -0.62 | 20 | -12.40 | |
| | Ratnesan, Ranesh | | | 1845 | ENG | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Openshaw, David K | | | 1859 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Kennedy, Craig | | | 1855 | SCO | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Somton, Anita | | | 1705 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Faldon, David J | | | 1911 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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