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Individual Calculations August 2015 |
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| Vermeulen, Ernestus Jacobus Total change: -10.00 | |   |
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| South African Open Chess Championships 2015 | Cape Town | RSA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1635 | 1.00 | 3 | -0.25 | 40 | -10.00 | |
|  Fredericks, Malcolm Mp. | | | 1858 | RSA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Mahlangu, Sipho | | | 1746 | RSA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Van Wyngaard, Liam | | | 1505 | RSA | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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