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Individual Calculations October 2017 |
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| Booysen, Antonio Total change: 12.40 | |   |
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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 |
| 1457 | 1626 | 3.00 | 4 | 0.31 | 40 | 12.40 | |
|  Mazibuko, Khanya | c | | 1835 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Van Den Berg, Ane | | | 1226 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Oosthuizen, Donald Hendrik | | | 1237 | RSA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Bucceri, Draven | | | 1531 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | * 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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