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Individual Calculations April 2019 |
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| Shaw, Laurie Ann Total change: -88.00 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1362 | 0.50 | 4 | -0.26 | 40 | -10.40 | |
|  Govender, Yaduvir | | | 1627 | RSA | 0.50 | 1 | 0.32 | 40 | 12.80 | |  Klevansky, Aron | c | | 1762 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Prinsloo, Marthinus | | | 1550 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Dinham, James | | | 1565 | RSA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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 |
| 1197 | 1362 | 3.00 | 7 | -1.94 | 40 | -77.60 | |
| | Van Jaarsveld, Anje | | | 1053 | RSA | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Bouwer, Dane | | | 1101 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Qangule, Lithitha Qhayiya | | | 1192 | RSA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Jonker, Keola | | | 1200 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Bester, Carla | | | 1171 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Milford, Zoe Melissa | | | 1190 | RSA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Moodley, Karmishta | | wc | 1471 | RSA | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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