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Individual Calculations June 2021 |
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| Maggs, Derwent Total change: 9.60 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 2030 | 4.00 | 4 | 0.48 | 20 | 9.60 | |
|  Massam, Justin | | | 1630 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hernandez Mendez, Iker | | | 1630 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Yaak, Peter | | | 1831 | AUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Barry, David | | | 1630 * | AUS | 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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