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Individual Calculations May 2019 |
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| Jelfs, Alan Total change: -15.80 | |   |
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| Edinburgh Premier 2019 | Edinburgh | SCO | 2019-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1840 | 1.00 | 5 | -0.79 | 20 | -15.80 | |
|  Begg, David | | | 1906 | SCO | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Xian, Junhao | | | 2020 | CHN | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Robertson, David A | | | 1954 | SCO | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Chisholm, Mike | | | 1960 | SCO | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Roy, Ali | | | 1885 | SCO | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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