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Individual Calculations August 2017 |
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| Portman, Carl S Total change: -0.60 | |   |
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| 14th 4NCL Congress Major | Reading | ENG | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1887 | 2.50 | 4 | -0.03 | 20 | -0.60 | |
|  Di-Vetta, Andrew | | | 1605 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Bovtramovics, Vladimirs | | | 1744 | LAT | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Shaw, Meyrick | | | 1943 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Gibbs, Dominic V | | | 1829 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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