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Individual Calculations December 2015 |
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| Roets, Marius H. Total change: 7.00 | |   |
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| Gauteng Chess League (Premier Section) | Johannesburg | RSA | 2015-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1566 | 1.00 | 4 | 0.35 | 20 | 7.00 | |
|  Du Plessis, Heinco | | | 1966 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Mpya, Tshediso M | | | 1946 | RSA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Parodi, Alessandro | | | 1966 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Moche, Johannes | | | 1638 | RSA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | * 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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