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Individual Calculations April 2019 |
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| Engelbrecht, Hanri Total change: 81.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1606 | 1421 | 2.00 | 5 | 0.64 | 40 | 25.60 | |
|  Schoeman, Ewald | c | | 1606 | RSA | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Louw, Gideon N. | | | 1711 | RSA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jacobs, Cavan | | | 1702 | RSA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Dinham, James | | | 1565 | RSA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Maepane, Matome | | | 1445 | RSA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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 (u18 Girls) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1421 | 7.50 | 9 | 1.40 | 40 | 56.00 | |
| | Van Den Berg, Ane | | | 1286 | RSA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Dinham, Megan | | | 1232 | RSA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Swart, Sune | | | 1102 | RSA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wolmarans, Riekie | | | 1520 | RSA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Booysen, Elda | | wc | 1493 | RSA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Villoen, Sharise | | | 1162 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Van Heerden, Lara | | | 1376 | RSA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Emanuel, Prithee | | | 1056 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Saayman, Anais | | | 1219 | RSA | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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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