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Individual Calculations June 2017 |
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| Williamson, Roger G Total change: 16.20 | |   |
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| 2016/17 4NCL Division 1 Rounds 9-11 | Telford | ENG | 2017-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2191 | 2.50 | 3 | 0.81 | 20 | 16.20 | |
|  O`toole, George E | | | 2268 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Spence, David J | | | 2168 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Turner, Max N | | | 1984 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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