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Individual Calculations September 2017 |
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| Chadwick, Susan E Total change: -18.20 | |   |
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| 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1489 | 0.00 | 3 | -0.91 | 20 | -18.20 | |
|  Fowler, David J | | | 1659 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Rowles, Sarah | | | 1623 | WLS | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Roberts, Malcolm A | | | 1629 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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