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Individual Calculations August 2015 |
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| Rachmadi, Herman Total change: -14.80 | |   |
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| 2015 Oceania Zonal Open Championship | Sydney | AUS | 2015-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1838 | 2.50 | 6 | -0.74 | 20 | -14.80 | |
|  Halpin, Patrick | | | 2155 | AUS | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Wang, Aaron Ziwen | | | 1580 | NZL | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Milligan, Helen | c | wf | 1978 | NZL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Lam, Ross | | | 1984 | AUS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Vels, Philip | | | 1438 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Coey, Andrew | | | 1632 | AUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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