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Individual Calculations December 2016 |
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| James, David Total change: -1.80 | |   |
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| 2016 Norths John Purdy Memorial Open | Sydney | AUS | 2016-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1662 | 2.50 | 6 | -0.09 | 20 | -1.80 | |
|  Mallari, Donato | | | 2054 | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wan, Dennis | | | 1822 | AUS | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Simmonds, Rex | | | 1588 | AUS | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Singleton, Tim | | | 1527 | AUS | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Schwandl, Hans | | | 1551 | AUS | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Sirkka, Pertti T | | | 1820 | AUS | 1.00 | 1 | 0.71 | 20 | 14.20 | |
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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