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Individual Calculations September 2023 |
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| Becker, Stefan Total change: -26.40 | |   |
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| 2023 ZCA Challenge | Windhoek | NAM | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1241 | 1428 | 2.00 | 3 | -0.20 | 40 | -8.00 | |
|  Du Toit, Dawid | | | 1146 | NAM | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Jane, Galeshewe | | | 1370 | NAM | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Shekupe, Fidel | | | 1206 | NAM | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | GRIT Open Chess Tournament | Windhoek | NAM | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1428 | 1.00 | 3 | -0.46 | 40 | -18.40 | |
| | Ndahangwapo, Heskiel | | | 2012 | NAM | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Jane, Galeshewe | | | 1370 | NAM | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Sihlahla, Genius | | | 1115 | NAM | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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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