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Individual Calculations August 2022 |
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| Grobbelaar, Jacqui Total change: 19.20 | |   |
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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 |
| 1729 | 1517 | 3.50 | 10 | 0.96 | 20 | 19.20 | |
|  Lewis, Mark Mm. | | | 1874 | RSA | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Selkirk, Rebecca | | wc | 1745 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Mumba, Elijah | | | 1859 | ZAM | 1.00 | 1 | 0.88 | 20 | 17.60 | | | De Villiers, Ockert Almaro | | | 1583 | RSA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Van Der Merwe, Alexander | | | 1776 | RSA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Freeman, Vianco | | | 1491 | RSA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Frick, Jacques | | | 1720 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Nel, Rowan | | | 1530 | RSA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Fredericks, Malcolm Mp. | | | 1817 | RSA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Baloyi, Siphiwe | | | 1890 | RSA | 0.50 | 1 | 0.40 | 20 | 8.00 | |
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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