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Individual Calculations October 2015 |
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| Buttell, David Total change: 29.00 | |   |
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| South Wales Summer Congress 2015 | Newport | WLS | 2015-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1776 | 3.00 | 6 | 1.45 | 20 | 29.00 | |
|  Brown, Thomas | | | 2066 | WLS | 1.00 | 1 | 0.84 | 20 | 16.80 | |  Kett, Tim | | | 2176 * | WLS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Harris, Calum | | | 1619 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Tomboline, David | | | 1959 | WLS | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Ivekovic, Tihana | | wf | 2081 | CRO | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bullen, Alex | | | 2019 | WLS | 0.00 | 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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