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Individual Calculations December 2018 |
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| Coey, Andrew Total change: -3.20 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1584 | 1.00 | 5 | -0.16 | 20 | -3.20 | |
|  Mallari, Donato | f | | 1965 | AUS | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Cooper, Nicholas | | | 1801 | AUS | 1.00 | 1 | 0.78 | 20 | 15.60 | |  Jain, Kamal | | | 1713 | AUS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Sparks, Chris J | | | 1660 | AUS | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Russell, Paul | c | | 1928 | AUS | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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