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Individual Calculations November 2014 |
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| Twitchell, David Total change: -37.20 | |   |
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| 40th Guernsey Open | Guernsey | GCI | 2014-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2009 | 2.00 | 6 | -1.86 | 20 | -37.20 | |
|  Grieve, Harry | | | 1738 | ENG | 0.00 | 1 | -0.83 | 20 | -16.60 | |  Hermes, Geoff | | | 1931 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Hawkins, Nick | | | 1923 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Hickman, John | | | 1893 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Magnussen, Pal | | | 1952 | SWE | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Von Saldern, Rudiger | | | 1966 | GER | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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