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Individual Calculations June 2017 |
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| Grobbelaar, Jacqui Total change: -46.00 | |   |
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| 2017 Capablanca Chess Festival (Fide RR D) | Southdowns College, Pretoria | RSA | 2017-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1633 | 1.50 | 9 | -2.92 | 20 | -58.40 | |
|  Hansen, Marcques | | | 1562 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Baloyi, Sipho | | | 1593 | RSA | 1.00 | 1 | 0.44 | 20 | 8.80 | |  Ngakane, Dan | | | 1695 | RSA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Mlahleki, Vusimuzi | | | 1655 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Chueu, Calvin | | | 1633 | RSA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Sikwati, Lizo | | | 1680 | RSA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Phillips, Nigel J. | | | 1629 | RSA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Van Zyl, Charlize | | wm | 1658 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Richter, Jan-Michael | | | 1658 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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) | | | | 2017 Gauteng Closed (Open) | Johannesburg | RSA | 2017-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1633 | 3.00 | 7 | 0.62 | 20 | 12.40 | |
| | Mfundisi, Sandile | | | 1862 | RSA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Jere, Daniel | m | | 2033 * | ZAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nelson, Jaco | | | 1867 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Klevansky, Aron | c | | 1735 | RSA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Laureles, Raymundo | | | 1564 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Marx, Inge | | wm | 1668 | RSA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Jacobs, Cavan | | | 1652 | RSA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | * 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) | | |
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