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Individual Calculations October 2021 |
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| Addison, Bret C Total change: -47.60 | |   |
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| 57th Northumberland Chess Weekender | Newcastle | ENG | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 2209 | 2.00 | 5 | -2.38 | 20 | -47.60 | |
|  Bielby, Paul R | | | 1877 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Varney, Zoe | | wc | 1917 | ENG | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Skettos, Nicolas | | | 1862 | CYP | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Izod, Chris | | | 1924 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | McKay, Jonathan | | | 1809 * | SCO | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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