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Individual Calculations October 2019 |
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| Vather, Kasmira Total change: 20.40 | |   |
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| 2019 Tshwane Chess Etienne Lewis Trials (U16 Girls) | Pretoria | RSA | 2019-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1094 | 1273 | 3.00 | 4 | 0.08 | 40 | 3.20 | |
|  Prinsloo, Thiana | | | 1114 | RSA | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Claassen, Gabriella | | | 1175 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Bouwer, Dane | | | 1083 | RSA | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Buitendag, Nanique | | | 1003 | RSA | 0.50 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | Alfred Pesa Open 2019 (B-Section) | Kimberley | RSA | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1273 | 1.00 | 3 | 0.43 | 40 | 17.20 | |
| | Ratema, Lerato | | | 1575 | RSA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Teeke, Karabo | | | 1532 | RSA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sithole, Anoona | | | 1473 | RSA | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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