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Individual Calculations November 2021 |
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| Vorster, Stephanus Total change: 16.80 | |   |
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| JMC OTB Pinnacle College Waterfall Open | Johannesburg | RSA | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1583 | 1.50 | 5 | -0.75 | 40 | -30.00 | |
|  Price, Rowan Daelen | | | 1383 | RSA | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Njoku, Greatman | | | 1202 | RSA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Hercules, Benjamin Vincent | | | 1983 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dinham, James | | | 1790 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Levitan, Caleb Levi | | | 1755 | RSA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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) | | | | NC Open 2021 - A Section | Kimberley | RSA | 2021-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1583 | 3.00 | 4 | 1.17 | 40 | 46.80 | |
| | Mafanya, Kulasande | | | 1858 | RSA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Khumalo, Keith | c | | 1983 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mungal, Ethan | | | 1343 | RSA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Magagula, Immanuel | | | 1367 | RSA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | |
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