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Individual Calculations February 2020 |
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| Boshoff, Chris Total change: 22.40 | |   |
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| 2019 South African Junior Team Championships (U16A) | Boksburg | RSA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1275 | 1154 | 2.00 | 2 | 1.31 | 40 | 52.40 | |
|  De Swardt, Eduan | | | 1192 | RSA | 1.00 | 1 | 0.55 | 40 | 22.00 | |  Koning, Jaedin | | | 1358 | RSA | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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) | | | | 2020 Wild Card Championships (U16 Boys) | Boksburg | RSA | 2020-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1154 | 0.00 | 2 | -0.75 | 40 | -30.00 | |
| | Ristic, Andrej | | | 1111 | RSA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Coetzee, Philip Paul | | | 1405 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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