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Individual Calculations April 2019 |
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| Gardiner, Noa Saxon Total change: -9.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1501 | 1321 | 1.00 | 4 | -0.17 | 40 | -6.80 | |
|  Babuseng, Moitse | | | 1721 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Prinsloo, Marthinus | | | 1550 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Govender, Shevern | | | 1371 | RSA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | De Villiers, Anri | | | 1360 | RSA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | * 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) | | | | South African Junior Closed Chess Championships 2019 (u16 Girls) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1321 | 4.00 | 7 | -0.07 | 40 | -2.80 | |
| | Van Jaarsveld, Anje | | | 1053 | RSA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Putter, Nicola | | wf | 1458 | RSA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Wallace, Amy | | | 1127 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Qangule, Lithitha Qhayiya | | | 1192 | RSA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Booysen, Tineke | | | 1314 | RSA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Modi, Sonia | | wc | 1550 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Bouwer, Dane | | | 1101 | RSA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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