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Individual Calculations December 2017 |
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| Mallari, Donato Total change: -0.80 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1987 | 4.00 | 7 | -0.04 | 20 | -0.80 | |
|  Sandalciyan, Aram | | | 1723 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Cooper, Nicholas | | | 1813 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Russell, Paul | c | | 1893 | AUS | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Clarke, Brandon G I | f | | 2319 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Balan, Jigando | | | 1700 | IND | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Charles, Gareth | | | 2085 | AUS | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Dekic, Biljana N | | wm | 1968 | AUS | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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