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Individual Calculations September 2016 |
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| Roebuck, Derek J Total change: -11.60 | |   |
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| 103rd British Championships Weekend Open | Bournemouth | ENG | 2016-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1729 | 0.50 | 3 | -0.58 | 20 | -11.60 | |
|  Hickman, John E | | | 1863 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Bridges, Paul L | | | 1812 | WLS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Faulkner, Martin J | | | 1824 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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