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Individual Calculations December 2017 |
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| Singleton, Tim Total change: -3.00 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1516 | 1.00 | 5 | -0.15 | 20 | -3.00 | |
|  Sigurdsson, Birkir Karl | | | 1901 | ISL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Sandalciyan, Aram | | | 1723 | AUS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | James, David | | | 1663 | AUS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sparks, Chris J | | | 1674 | AUS | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Case, Ivan | | | 1716 | AUS | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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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