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Individual Calculations May 2017 |
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| Thomas, Roy Total change: 14.80 | |   |
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| 2017 Tom Weston Memorial | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1727 | 3.00 | 5 | 0.74 | 20 | 14.80 | |
|  Jaberansari, Daniel | | | 1405 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Harle, Bill | | | 1817 | WLS | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Summers, Charles | | | 1926 | WLS | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Bridges, Paul | | | 1776 | WLS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Gibbs, Dominic V | | | 1845 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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