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Individual Calculations January 2020 |
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| Du Plessis, Jan Total change: -23.60 | |   |
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| 2019 African Youth Chess Championship (Under 18 Open) | Windhoek | NAM | 2019-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1676 | 2.00 | 6 | -0.59 | 40 | -23.60 | |
|  Mpala, Leeroy | | | 1779 | ZIM | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Elier, Ali | | | 2030 | LBA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kasuto, Neto | | | 1512 | NAM | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Van Der Westhuizen, Petrus | | | 1303 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Mwale, Samuel | | | 1745 | ZAM | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Filipe, Marcio | | | 2048 | ANG | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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