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Individual Calculations May 2017 |
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| Summers, Charles Total change: -25.00 | |   |
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| 2017 Tom Weston Memorial | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1926 | 4.00 | 7 | -1.25 | 20 | -25.00 | |
|  Williams, Stephen | | | 1714 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | |  McGregor, John | | | 1803 | WLS | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Stuart, Neil | | | 1762 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Thomas, Roy | | | 1727 | WLS | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Probert, Malcolm | | | 1592 | WLS | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Bridges, Paul | | | 1776 | WLS | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Jukes, Sam | | | 1734 | WLS | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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