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Individual Calculations October 2021 |
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| De Vries, Matthys Andrio Total change: 0.00 | |   |
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| 2021 Gauteng North Open (Section B) | Pretoria | RSA | 2021-08-28 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1135 | 0 | 1.50 | 2 | 0.00 | 1155 | | 0.00 | |
|  Badenhorst, Nicolaas Jacobus | | | 1246 | RSA | 0.50 | 1 | 0.00 | | 0.00 | |  Setshedi, Neo | | | 1024 | RSA | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 2021 Etienne Lewis (U14 Open) | Pretoria | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1226 | 0 | 1.00 | 4 | 0.00 | 1033 | | 0.00 | |
| | Jacobs, Calvin Nicholas | | | 1320 | RSA | 0.00 | 1 | 0.00 | | 0.00 | | | Koning, Lehan | | | 1182 | RSA | 1.00 | 1 | 0.00 | | 0.00 | | | Boheim, Eugene | | | 1159 | RSA | 0.00 | 1 | 0.00 | | 0.00 | | | Coetsee, Dewald | | | 1241 | RSA | 0.00 | 1 | 0.00 | | 0.00 | |
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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