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Individual Calculations January 2019 |
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| Mazibuko, Khanya Total change: -10.00 | |   |
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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 |
| 1629 | 1956 | 3.50 | 5 | -0.78 | 40 | -31.20 | |
|  Schutte, Wian | f | | 1622 | RSA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Samuels, Ethan | | | 1855 | RSA | 0.00 | 1 | -0.64 | 40 | -25.60 | |  Villoen, Sharise | | | 1556 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dinham, Megan | | | 1556 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Richter, Jan-Michael | | | 1556 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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 |
| 1752 | 1956 | 3.50 | 4 | 0.53 | 40 | 21.20 | |
| | Ramatseliso, Thabiso | | | 1747 | RSA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Racaza, Sinovuyo | | | 1556 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mafanya, Kulasande | | | 1829 | RSA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Lekalakala, Ernest | | | 1877 | RSA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | * 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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