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Individual Calculations August 2022 |
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| Van Der Merwe, Alexander Total change: -30.40 | |   |
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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 |
| 1687 | 1776 | 6.00 | 11 | -0.76 | 40 | -30.40 | |
|  Jacobs, Peter-John | | | 1686 | RSA | 0.00 | 1 | -0.62 | 40 | -24.80 | |  Daniel, Angelo | | | 1561 | RSA | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Mnyasta, Tezihano | | | 1626 | RSA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Zuma, Mbusiswa | | | 1642 | RSA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Grobbelaar, Jacqui | | | 1517 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Willenberg, Roland C. | | | 1682 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Selkirk, Rebecca | | wc | 1745 | RSA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Willenberg, Shane C. | | | 1816 | RSA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Louw, Gideon N. | | | 1701 | RSA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | De Jager, Luan | | | 1875 | RSA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Van Zyl, Albrecht | | | 1705 | RSA | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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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