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Individual Calculations May 2017 |
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| McGregor, John Total change: 32.40 | |   |
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| 2017 Tom Weston Memorial | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1803 | 4.00 | 5 | 0.81 | 40 | 32.40 | |
|  Livermore, Richard | | | 1553 | WLS | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Summers, Charles | | | 1926 | WLS | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Fraser, Susanna | | | 1419 | WLS | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Bridges, Paul | | | 1776 | WLS | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Jukes, Sam | | | 1734 | WLS | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | |
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