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Individual Calculations November 2021 |
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| Ngubeni, Jackie M. Total change: -36.40 | |   |
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| JMC OTB Pinnacle College Waterfall Open | Johannesburg | RSA | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1361 | 2.00 | 5 | -0.91 | 40 | -36.40 | |
|  Parodi, Alessandro | | | 1761 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Njoku, Greatman | | | 1202 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Ramlall, Sanjana | | | 1172 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Xiao, Ryan | | | 1279 | RSA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Vorster, Tyrone | | | 1157 | RSA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | * 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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