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Individual Calculations December 2017 |
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| Zekic, Mirsad Total change: -16.40 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1636 | 2.50 | 7 | -0.82 | 20 | -16.40 | |
|  Champion, Patrick | | | 1930 | AUS | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Di-Ienno, Mathew | | | 1314 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Sirkka, Pertti T | | | 1865 | AUS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Weijermars, Tristan | | | 1532 | AUS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Cook, David | | | 1623 | AUS | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Case, Ivan | | | 1716 | AUS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Schwandl, Hans | | | 1607 | AUS | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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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