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Individual Calculations April 2019 |
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| Schoeman, Ewald Total change: 38.80 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1606 | 4.00 | 5 | 1.05 | 40 | 42.00 | |
|  Engelbrecht, Hanri | | wf | 1421 | RSA | 0.00 | 1 | -0.74 | 40 | -29.60 | |  Bester, Carla | | | 1206 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nkuna, Windsor | | | 1576 | RSA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Fihla, Lonwabo Luvuyo | | | 1483 | RSA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Mthunzi, Brighton | | | 2006 * | RSA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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 Junior Closed Chess Championships 2019 (u16 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1606 | 4.00 | 7 | -0.08 | 40 | -3.20 | |
| | Louw, Carlo | | | 1367 | RSA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Eaton, Dante | c | | 1629 | RSA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Dhevcharran, Kahill | | | 1625 | RSA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Schnabel, Johann Emil | c | | 1714 | RSA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Nhamuave, Eleazar | | | 1654 | RSA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Maharaj, Ajeet | | | 1254 | RSA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Fihla, Lonwabo Luvuyo | | | 1483 | RSA | 1.00 | 1 | 0.33 | 40 | 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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