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Individual Calculations September 2017 |
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| Openshaw, David K Total change: -1.20 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1859 | 2.00 | 5 | -0.06 | 20 | -1.20 | |
|  Wells, Jonathan C | | | 2037 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Crombleholme, Alan K | | | 2009 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Connolly Sams, Lukah | | | 1729 | SCO | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Graff, Ben | | | 1824 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Myall, Ivan J | | | 2046 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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