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Individual Calculations January 2019 |
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| Booysen, Elda Total change: 17.60 | |   |
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| 2018 South African Junion Chess Championships (u16-u18 Girls) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1331 | 1475 | 2.50 | 3 | 0.44 | 40 | 17.60 | |
|  Nkoana, Kholofelo | | | 1270 | RSA | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Van Der Walt, Alida Berandina | | wc | 1310 | RSA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Raubenheimer, Lize | | | 1414 | RSA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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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