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Individual Calculations August 2022 |
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| De Villiers, Ockert Almaro Total change: -17.20 | |   |
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| 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1583 | 4.50 | 11 | -0.86 | 20 | -17.20 | |
|  Makhetha, Tshepo | | | 1494 | RSA | 0.00 | 1 | -0.62 | 20 | -12.40 | |  Freeman, Vianco | | | 1491 | RSA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Selepe, Lwazi | | | 1480 | RSA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Grobbelaar, Jacqui | | | 1517 | RSA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Braaf, Jiraan | | | 1618 | RSA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Jacobs, Peter-John | | | 1686 | RSA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Levin, Benny | | | 1619 | RSA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Siyo, Sibabale | | | 1647 | RSA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Willenberg, Glen I. | | | 1627 | RSA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Mnyasta, Tezihano | | | 1626 | RSA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Milford, Eugene | | | 1708 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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