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Individual Calculations December 2021 |
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| Kosokin, Valeriy Total change: -4.20 | |   |
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| 12th Annual Des Moines Fall Classic Open | Des Moines, Iowa | USA | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 2156 | 4.00 | 5 | -0.21 | 20 | -4.20 | |
|  Solheim, Jeffery A | | | 1756 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Zulic, Jasmin | | | 1756 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Magness, Trevor S | | | 2136 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Moerlien, Puwit Sk | | | 1756 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Juric, Zvonko | | | 1756 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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