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Individual Calculations January 2019 |
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| Joule, Ethan Total change: 60.80 | |   |
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| 2018 South African Junion Chess Championships (u18A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1529 | 1326 | 1.50 | 3 | 0.68 | 40 | 27.20 | |
|  Felix, Devon | | | 1611 | RSA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Vuso, Hlomisa | | | 1273 | RSA | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Reddy, Ananta | | | 1704 | RSA | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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) | | | | 2018 Wild Card Chess Championships (U18 Open) | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1326 | 1.00 | 1 | 0.84 | 40 | 33.60 | |
| | Moloto, Nnani | | | 1610 | RSA | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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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