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Individual Calculations January 2023 |
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| De Wit, Marnus Total change: 7.60 | |   |
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| 2022 South African Junior Team Chess Championships (U16 Open) | Port Edward | RSA | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1080 | 0.50 | 3 | 0.19 | 40 | 7.60 | |
|  Coetsee, Dewald | | | 1377 | RSA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Yan, Weilun | | | 1395 | RSA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Potgieter, Edward | | | 1678 | RSA | 0.50 | 1 | 0.48 | 40 | 19.20 | |
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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