Individual Calculations January 2019 |
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Lekalakala, Ernest Total change: -22.60 | | |
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2018 South African Junion Chess Championships (u20A) | Boksburg | RSA | 2018-12-16 |
Rc | Ro | w | n | change | K | K*chg | Game |
1584 | 1877 | 1.00 | 2 | -0.66 | 20 | -13.20 | |
| Van Zyl, Albrecht | | | 1690 | RSA | 1.00 | 1 | 0.26 | 20 | 5.20 | | Du Plessis, Anika | | wm | 1477 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | * Rating difference of more than 400. Please read more at FIDE Handbook | 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 Inter Region Chess Championships | Boksburg | RSA | 2018-12-21 |
Rc | Ro | w | n | change | K | K*chg | Game |
1721 | 1877 | 3.50 | 6 | -0.47 | 20 | -9.40 | |
| Huisamen, Botha Brandt | | | 1477 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | Bornheim, Craig | c | | 2020 | RSA | 0.50 | 1 | 0.19 | 20 | 3.80 | | Moodley, Yudhisthira | | | 1567 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | | Mafanya, Kulasande | | | 1829 | RSA | 0.00 | 1 | -0.57 | 20 | -11.40 | | Mazibuko, Khanya | c | | 1956 | RSA | 0.50 | 1 | 0.11 | 20 | 2.20 | | Boshoma, Chisomo | | | 1477 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | * Rating difference of more than 400. Please read more at FIDE Handbook | 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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