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Individual Calculations November 2009 |
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| Tunstall, George S Total change: -31.25 | |   |
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| 45th Berks and Bucks Championships | Twyford | ENG | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 2013 | 1.00 | 6 | -1.77 | 25 | -44.25 | |
|  Adair, James | | | 2124 | ENG | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Duvall, Ian | | | 2062 | ENG | 0.00 | 1 | -0.43 | 25 | -10.75 | |  Yurenok, Maria S | | wf | 2021 | ENG | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Healey, Michael W | | | 2016 | ENG | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Williams, Peter A Jnr | | | 1961 | ENG | 0.00 | 1 | -0.57 | 25 | -14.25 | | | McAllan, Ian | | | 2065 | ENG | 0.50 | 1 | 0.07 | 25 | 1.75 | |
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) | | | | Caterham Congress | Caterham | ENG | 2009-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 1978 | 1.00 | 2 | 0.52 | 25 | 13.00 | |
| | Mordue, A Tyson | f | | 2286 | ENG | 1.00 | 1 | 0.86 | 25 | 21.50 | | | Sen, Subin | | | 2098 | ENG | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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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