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Individual Calculations August 2016 |
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| Pesa, Mofoka A. Total change: 11.40 | |   |
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| 4th Piet Van Zyl Chess Festival (A-Section) | Bloemfontein | RSA | 2016-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1859 | 2.00 | 4 | -0.72 | 20 | -14.40 | |
|  Van Der Walt, Alida Berandina | | wc | 1459 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Goosen, Anton | c | | 1983 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Sikwati, Lizo | | | 1675 | RSA | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Stott, Robert | | | 1682 | RSA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | * 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) | | | | South African Open Chess Championships 2016 (A-Section) | Cape Town | RSA | 2016-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1859 | 5.50 | 7 | 1.29 | 20 | 25.80 | |
| | Samuels, Ethan | | | 1552 | RSA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Flores Bartoli, Andrew | c | | 1647 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Amini, Daud | | | 2055 | ZIM | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Willenberg, Kenneth Sean | | | 1985 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Grobbelaar, Jacqui | | | 1550 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Van Niekerk, Robyn Julian | | | 1621 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Erlank, Warrick | | | 1974 | RSA | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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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