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Individual Calculations September 2017 |
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| Laurillard, Xavier Total change: 6.40 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1310 | 0.50 | 3 | 0.16 | 40 | 6.40 | |
|  Pride, Stephen C | | | 1656 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Aitchison, A Keith | | | 1692 | SCO | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Horlock, Peter J | | | 1622 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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