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Individual Calculations October 2021 |
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| Maris, Robert Total change: -28.40 | |   |
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| 2021 Perth Chess Club Wolfgang Leonghardt Cup | Perth | AUS | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 2000 | 3.50 | 6 | -1.42 | 20 | -28.40 | |
|  De Yaak, Peter | | | 1767 | AUS | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Roebuck, Derek J | | | 1637 | AUS | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Saxon, Marc | | | 1677 | AUS | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Clarke, Daniel | | | 1600 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | List, Ross | | | 1845 | AUS | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Elkington, Derek | | | 1829 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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