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Individual Calculations June 2019 |
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| Purdon, Colin Total change: -62.40 | |   |
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| 2018/19 4NCL Div 4 Rounds 9 - 11 | Daventry | ENG | 2019-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 2055 | 1.00 | 2 | -0.65 | 20 | -13.00 | |
|  Buttell, David | | | 1816 | WLS | 0.50 | 1 | -0.30 | 20 | -6.00 | |  Smith, Steve | | | 1755 | WLS | 0.50 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | 2nd 4NCL Spring Bank Holiday Congress Open | Basingstoke | ENG | 2019-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 2055 | 2.00 | 6 | -2.47 | 20 | -49.40 | |
| | Skettos, Nicolas | | | 1830 | CYP | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Forster, Matthew | | | 1861 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Royal, Shreyas | c | | 1993 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Vaidya, Raghav | | | 1655 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Jaufarally, Nadia | | | 1945 | ENG | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Zhu, Yaoyao | | | 1839 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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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