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Individual Calculations April 2018 |
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| Selkirk, Rebecca Total change: 1.00 | |   |
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| 2018 WP Open Chess Championships (Elite) | Cape Town | RSA | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1770 | 2.00 | 6 | -0.42 | 20 | -8.40 | |
|  James, Michael | | | 1968 | RSA | 0.50 | 1 | 0.26 | 20 | 5.20 | |  Vester, Jordan | | | 1893 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Baxter, David Jarred | | | 1724 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Southey, Andrew M. | | | 1764 | RSA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Elliott, Luka | | | 1771 | RSA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Willenberg, Kenneth Sean | | | 1940 | RSA | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | Steinitz Cape Town International Chess Festival (Prestige) | Cape Town | RSA | 2018-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1770 | 4.00 | 7 | 0.47 | 20 | 9.40 | |
| | Van Der Merwe, Alexander | | | 1460 | RSA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Kleinsmidt, Cherwin | | | 1871 | RSA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Baloyi, Siphiwe | | | 1946 | RSA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Willenberg, Kenneth Sean | | | 1940 | RSA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | De Jager, Andreas | c | | 1618 | RSA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Felix, Devon | | | 1593 | RSA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Vester, Jordan | | | 1893 | RSA | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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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