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Individual Calculations April 2023 |
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| Tjahja, Albert Total change: -20.00 | |   |
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| 2023 St. George Club Championship Division 2 Rounds 1-3 | Sydney | AUS | 2023-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1610 | 0.50 | 3 | -1.00 | 20 | -20.00 | |
|  Wu, Celina (yijia) | | | 1675 | AUS | 0.00 | 1 | -0.41 | 20 | -8.20 | |  Babic, Michael S | | | 1640 | AUS | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Stoltz, Pieter | | | 1514 | AUS | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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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