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Individual Calculations January 2019 |
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| Vorster, Tyrone Total change: -19.60 | |   |
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| 2018 South African Junion Chess Championships (u16A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1221 | 0.00 | 3 | -0.60 | 40 | -24.00 | |
|  Gardiner, Noa Saxon | | wf | 1323 | RSA | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Cruywagen, Armand | | | 1504 | RSA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Nevin, Tyler | | | 1616 | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | 2018 Wild Card Chess Championships (U16 Open) | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1221 | 0.50 | 1 | 0.11 | 40 | 4.40 | |
| | Maharaj, Ajeet | | | 1298 | RSA | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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) | | |
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