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Individual Calculations October 2019 |
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| De Jager, Andreas Total change: 72.00 | |   |
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| 2019 Chess Western Province League (Premier) | Cape Town | RSA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1656 | 4.00 | 5 | 1.79 | 40 | 71.60 | |
|  Walters, Wouter | | | 1506 | RSA | 1.00 | 1 | 0.30 | 40 | 12.00 | |  Louw, Llewellyn T. | | | 1729 | RSA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Morgan, Rodney A. | | | 1771 | RSA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Van Niekerk, Lourenzo M. | | | 1681 | RSA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Goredema, Dione | | | 1807 | RSA | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | 2019 Western Cape Closed Chess Championships (Elite) | Stellenbosch | RSA | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1656 | 2.00 | 5 | 0.01 | 40 | 0.40 | |
| | Van Niekerk, Robyn Julian | | | 1606 | RSA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Selkirk, Rebecca | | wc | 1803 | RSA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Lawrence, Gordon | | | 1899 | RSA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Laubscher, Anzel | | wm | 1759 | RSA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Van Der Merwe, Alexander | | | 1612 | RSA | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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