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Individual Calculations March 2018 |
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| Claassen, Gabriella Total change: 20.40 | |   |
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| 2018 Piet Robbertse (FIDE Section) | Pretoria | RSA | 2018-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1144 | 2.00 | 5 | 0.51 | 40 | 20.40 | |
|  Claassen, Jean-Daniel | | | 1357 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Maharaj, Ameet | | | 1214 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Koning, Lehan | | | 1150 | RSA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Koning, Jaedin | | | 1331 | RSA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Prinsloo, Marthinus | | | 1501 | RSA | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | |
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