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Individual Calculations October 2015 |
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| Bullen, Alex Total change: -11.20 | |   |
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| South Wales Summer Congress 2015 | Newport | WLS | 2015-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 2019 | 4.00 | 6 | -0.56 | 20 | -11.20 | |
|  Thomas, Roy | | | 1734 | WLS | 0.00 | 1 | -0.84 | 20 | -16.80 | |  Wagner, Guy | | | 1812 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Evans, Nicholas Thomas | | | 1885 | WLS | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Sivarajasingam, Venetia | | | 1619 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fathallah, Joe | | | 1983 | WLS | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Buttell, David | | | 1776 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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