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Individual Calculations May 2023 |
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| Claassen, Gabriella Total change: 40.80 | |   |
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| 2023 South African Junior Closed (U18 Girls) | Johannesburg | RSA | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1165 | 1161 | 5.00 | 8 | 1.02 | 40 | 40.80 | |
|  Jonker, Danica | | | 1004 | RSA | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Wang, Pei-Shan | | | 1385 | RSA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Jacobs, Elsje | | | 1120 | RSA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Nel, Hayley | | | 1235 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Naude, Nia | | | 1107 | RSA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Petlele, Motheo | | | 1072 | RSA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | September, Mckenzie | | | 1217 | RSA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | De Beer, Janka | | | 1179 | RSA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | |
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