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Individual Calculations June 2017 |
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| Van Der Westhuizen, Donald Total change: 97.20 | |   |
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| 2017 Capablanca Chess Festival (Fide RR E) | Southdowns College, Pretoria | RSA | 2017-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1505 | 6.00 | 9 | 1.93 | 40 | 77.20 | |
|  Dykema, Dirkho | | | 1459 | RSA | 1.00 | 1 | 0.44 | 40 | 17.60 | |  Beukes, Dante M | f | | 1596 | NAM | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Nkuna, Windsor | | | 1537 | RSA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Prinsloo, Marthinus | | | 1510 | RSA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Nhamuave, Eleazar | | | 1527 | RSA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Modi, Sonia | | wc | 1555 | RSA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Nkuna, Mchuchisi Martin | | | 1621 | RSA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Schoeman, Ewald | c | | 1468 | RSA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Lesuthu, Kali M. | | | 1584 | RSA | 1.00 | 1 | 0.61 | 40 | 24.40 | |
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 ( U16-18 Open and Girls) | Johannesburg | RSA | 2017-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1587 | 3.00 | 4 | 0.50 | 40 | 20.00 | |
| | Marais, Daniel | | | 1826 | RSA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Naicker, Sheldon | | | 1225 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Naidoo, Rayna | | | 1294 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Engelbrecht, Hanri | | wf | 1549 | RSA | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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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