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Individual Calculations March 2024 |
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| Rautenbach, Helen Christine Total change: 52.00 | |   |
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| 2024 Tshwane Chess Registration Tournament (A) | Pretoria | RSA | 2024-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1261 | 2.50 | 5 | 0.74 | 40 | 29.60 | |
|  Richter, Jan-Michael | | | 1548 | RSA | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Lodi, Khotso | | | 1274 | RSA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Tenzer, Daniel | | | 1355 | RSA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Lodi, Neo | | | 1332 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Chikwava, Ronald | | | 1370 | RSA | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | 2024 Piet Robbertse Open Chess Tournament (A) | Pretoria | RSA | 2024-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1256 | 1.50 | 5 | 0.56 | 40 | 22.40 | |
| | Nel, Hayley | | | 1499 | RSA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Tissot Van Patot, Anton | | | 1430 | RSA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Magagula, Raymond | | | 1634 | RSA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Felix, Raphael | | | 1720 | RSA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Mkotong, Boipelo | | | 1379 | RSA | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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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