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Individual Calculations December 2018 |
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| Russell, Paul Total change: -0.60 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1928 | 4.00 | 5 | -0.03 | 20 | -0.60 | |
|  Singleton, Tim | | | 1528 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Quek, Bob | | | 1528 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hu, Kevin | | | 1528 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zheng, Marco Le Lun | | | 2005 | AUS | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Coey, Andrew | | | 1584 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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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