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Individual Calculations April 2018 |
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| Southey, Andrew M. Total change: -1.60 | |   |
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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 |
| 1841 | 1764 | 2.00 | 6 | -0.40 | 20 | -8.00 | |
|  Willenberg, Kenneth Sean | | | 1940 | RSA | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Kleinsmidt, Cherwin | | | 1871 | RSA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Elliott, Luka | | | 1771 | RSA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Selkirk, Rebecca | | | 1770 | RSA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Baxter, David Jarred | | | 1724 | RSA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | James, Michael | | | 1968 | RSA | 1.00 | 1 | 0.76 | 20 | 15.20 | |
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) | | | | Steinitz Cape Town International Chess Festival (Prestige) | Cape Town | RSA | 2018-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1764 | 3.00 | 6 | 0.32 | 20 | 6.40 | |
| | Steel, Henry Robert | m | | 2164 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | De Jager, Andreas | c | | 1618 | RSA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Baloyi, Siphiwe | | | 1946 | RSA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Kleinsmidt, Cherwin | | | 1871 | RSA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Baxter, David Jarred | | | 1724 | RSA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Felix, Devon | | | 1593 | RSA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | |
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