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Individual Calculations November 2021 |
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| Vorster, Tyrone Total change: 34.80 | |   |
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| JMC OTB Pinnacle College Waterfall Open | Johannesburg | RSA | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1363 | 1157 | 3.00 | 6 | 1.42 | 40 | 56.80 | |
|  Levitan, Caleb Levi | | | 1557 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Xiao, Ryan | | | 1279 | RSA | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Mpya, Tshediso M | | | 1557 * | RSA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | De Swardt, Eduan | | | 1221 | RSA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Njoku, Greatman | | | 1202 | RSA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Ngubeni, Jackie M. | | | 1361 | RSA | 1.00 | 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) | | | | NC Open 2021 - A Section | Kimberley | RSA | 2021-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1157 | 0.00 | 3 | -0.55 | 40 | -22.00 | |
| | Mncwabe, Minenhle Junior | | | 1557 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tokoyi, Romeo | | | 1405 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Buba, Vukile | | | 1324 | RSA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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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