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Individual Calculations October 2021 |
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| Joelson, Michael Total change: -6.40 | |   |
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| 2021 Ohio Chess Congress | Akron, Ohio | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1950 | 2.00 | 4 | -0.16 | 40 | -6.40 | |
|  Charles, Steve | | | 1744 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Wright, William B | | | 2037 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Wang, Eigen | | | 2204 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Cole, Christopher | | | 1682 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | |
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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