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Individual Calculations October 2017 |
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| Ponelis, Albert A. Total change: 6.20 | |   |
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| 2017 Etienne Lewis Tshwane Chess Trails (Open) | Pretoria | RSA | 2017-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1932 | 4.50 | 5 | 0.31 | 20 | 6.20 | |
|  Oosthuizen, Donald Hendrik | | | 1532 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bucceri, Draven | | | 1532 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Van Der Westhuizen, Donald | | | 1690 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Prinsloo, Marthinus | | | 1532 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mazibuko, Khanya | c | | 1835 | RSA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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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