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Individual Calculations August 2022 |
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| De Villiers, Charles Total change: -34.60 | |   |
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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 |
| 1890 | 2110 | 6.50 | 11 | -1.73 | 20 | -34.60 | |
|  Southey, Andrew M. | | | 1755 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Kedama, Sandiso | | | 1738 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Nelson, Jaco | | | 1762 | RSA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | De Jager, Luan | | | 1875 | RSA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Martin, Nico | | | 1710 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lawerlot, George Lee-Roy | | | 1812 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Beukes, Dante M | m | | 2234 | NAM | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Simpson, Michael | | | 1860 | RSA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Kobese, Watu | m | | 2311 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Erlank, Warrick | | | 1870 | RSA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Wilken, Justin Barend | | | 1862 | RSA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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