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Individual Calculations April 2009 |
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| Greeff, Melissa Total change: 3.90 | |   |
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| African Junior Championships 2008/9 (Girls) | Nelspruit | RSA | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1963 | 3.00 | 4 | 0.26 | 15 | 3.90 | |
|  De Jager, Carmen | | wc | 1799 | RSA | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Wiid, Daleen | | wm | 1939 | RSA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Rocha, Valquiria | | | 1824 | ANG | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Roos, Ezet | | | 1723 | RSA | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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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