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Individual Calculations May 2017 |
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| Van Zyl, Charlize Total change: -6.00 | |   |
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| South African Junior Closed 2017 (u18 Girls) | Benoni | RSA | 2017-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1658 | 3.00 | 4 | -0.15 | 40 | -6.00 | |
|  Du Plessis, Anika | | | 1462 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Steyn, Alicia | | | 1427 | RSA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | De Kock, Lene | | wf | 1412 | RSA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Gardiner, Nina | | | 1415 | RSA | 0.50 | 1 | -0.30 | 40 | -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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