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Individual Calculations August 2015 |
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| Mahlangu, Sipho Total change: -48.40 | |   |
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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 |
| 1691 | 1746 | 0.50 | 3 | -1.21 | 40 | -48.40 | |
|  Solomons, Remondo T. | | | 1869 | RSA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Modi, Sonia | | wc | 1570 | RSA | 0.00 | 1 | -0.73 | 40 | -29.20 | |  Vermeulen, Ernestus Jacobus | | | 1635 | RSA | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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) | | |
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