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Individual Calculations May 2024 |
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| Grobbelaar, Jacqui Total change: -14.80 | |   |
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| 2024 South African Closed Chess Championship (Women) | Cape Town | RSA | 2024-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1726 | 4.50 | 11 | -0.74 | 20 | -14.80 | |
|  Van Zyl, Charlize | | wm | 1909 | RSA | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Van Zyl, Bea | | | 1507 | RSA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Nel, Hayley | | | 1678 | RSA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Joya, Imkhita | | | 1656 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Badenhorst, Chloe | | wf | 1915 | RSA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Laubscher, Anzel | | wm | 1820 | RSA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Strong, Davida | | | 1672 | RSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | February, Jesse | | wm | 1920 | RSA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Boshoma, Chisomo | | | 1780 | RSA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Rautenbach, Helen Christine | | | 1584 | RSA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Klaasen, Robyn | | | 1745 | RSA | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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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