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Individual Calculations May 2017 |
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| Robertson, Ian C. Total change: -26.40 | |   |
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| The Polar Capital Open | St Clement, Jersey | JCI | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 2053 | 3.50 | 8 | -1.32 | 20 | -26.40 | |
|  Hickman, John E | | | 1897 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Andersen, Niels Erik | | | 1900 | DEN | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Brookfield, Toby | c | | 1903 | GCI | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Webster, Jim J | | | 1807 | SCO | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Pleasants, Allan J | | | 1982 | WLS | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Thalwitzer, David | | | 2114 | GER | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Spanton, Tim R | | | 1927 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Abbas, Daniel | f | | 2285 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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