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Individual Calculations April 2019 |
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| Govender, Yaduvir Total change: -95.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1627 | 1.50 | 4 | -1.71 | 40 | -68.40 | |
|  Shaw, Laurie Ann | | | 1362 | RSA | 0.50 | 1 | -0.32 | 40 | -12.80 | |  Du Plessis, Jan | | | 1406 | RSA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Naidoo, Tashil | | | 1467 | RSA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Simpson, Michael | | | 1269 | RSA | 0.00 | 1 | -0.90 | 40 | -36.00 | |
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) | | | | South African Junior Closed Chess Championships 2019 (u16 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1553 | 1627 | 4.00 | 8 | -0.68 | 40 | -27.20 | |
| | Thakersee, Rishay | c | | 1426 | RSA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Maharaj, Ajeet | | | 1254 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Naidoo, Tashil | | | 1467 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | De Jager, Andreas | c | | 1607 | RSA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Eaton, Dante | c | | 1629 | RSA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Louw, Carlo | | | 1367 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Mhango, Banele | c | | 1816 | RSA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Essa, Naseem Ahmed | f | | 1856 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | |
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