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Individual Calculations November 2018 |
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| Hurn, Robert Aj Total change: 24.00 | |   |
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| 4th Welsh Seniors Championship | Merthyr Tydfil | WLS | 2018-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1608 | 2.50 | 5 | 1.20 | 20 | 24.00 | |
|  Waterfield, John W | | | 1923 | WLS | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Greatorex, Roger | | | 1736 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Van Kemenade, Rudy | | | 1982 | WLS | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Williams, David J | | | 1517 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Davis, Lee | | | 1960 | WLS | 0.50 | 1 | 0.39 | 20 | 7.80 | |
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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