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Individual Calculations April 2019 |
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| Bouwer, Dane Total change: 7.60 | |   |
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| 2019 Waterkloof Open (B) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1128 | 1101 | 1.00 | 2 | 0.07 | 40 | 2.80 | |
|  Fourie, Keanan | | | 1109 | RSA | 0.00 | 1 | -0.49 | 40 | -19.60 | |  Ismail, Imaan | | wc | 1146 | RSA | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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 |
| 1337 | 1101 | 1.50 | 6 | 0.12 | 40 | 4.80 | |
| | Moodley, Karmishta | | wc | 1471 | RSA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Booysen, Tineke | | | 1314 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Shaw, Laurie Ann | | | 1362 | RSA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Modi, Sonia | | wc | 1501 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Van Jaarsveld, Anje | | | 1053 | RSA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Gardiner, Noa Saxon | | wf | 1321 | RSA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | * 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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