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Individual Calculations May 2023 |
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| De Beer, Janka Total change: -52.00 | |   |
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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 |
| 1213 | 1179 | 1.00 | 5 | -1.30 | 40 | -52.00 | |
|  Wang, Pei-Shan | | | 1385 | RSA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Tlhage, Molemo | | | 1211 | RSA | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Petlele, Motheo | | | 1072 | RSA | 0.50 | 1 | -0.15 | 40 | -6.00 | |  Nel, Hayley | | | 1235 | RSA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Claassen, Gabriella | | | 1161 | 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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