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Individual Calculations May 2019 |
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| Du Plessis, Anika Total change: 4.00 | |   |
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| Boardwalk Pearson Chess Tournament 2019 (Open) | Port Elizabeth | RSA | 2019-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1590 | 1.00 | 3 | 0.20 | 20 | 4.00 | |
|  Jacobs, Kevin T | | | 1900 | RSA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Lawerlot, George Lee-Roy | | | 1815 | RSA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Wolmarans, Gregory | | | 1633 | RSA | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | |
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