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Individual Calculations May 2015 |
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| Oberholzer, Francois Total change: -14.80 | |   |
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| SA Junior Closed Chess Championship 2015 Under 18/20 Open | Pretoria | RSA | 2015-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1945 | 4.50 | 8 | -1.38 | 20 | -27.60 | |
|  Samuel, Caleb | | | 1675 | RSA | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Jacobs, Cavan | | | 1600 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Essop, Hishaam | | | 1788 | RSA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Bezuidenhout, Roland | c | | 2075 | RSA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Padayachee, Kenyon | c | | 1759 | RSA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Crismann, Alessandro Claudio | f | | 1835 | RSA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Goldberg, Shmuel | | | 1545 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Sadie, Johan Jacobus Hendrik | | | 1688 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * 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) | | | | 2015 Orion Group Open Chess Festival (Prestige Section) | Johannesburg | RSA | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1945 | 3.50 | 5 | 0.64 | 20 | 12.80 | |
| | Marais, Nina | | | 1545 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Simutowe, Musatwe | | | 2157 | ZAM | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Masango, Spencer | | | 2144 | ZIM | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Pesa, Mofoka A. | | | 1884 | RSA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Jacobs, Cavan | | | 1600 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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