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Individual Calculations March 2024 |
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| Grobler, Johannes Theodo Total change: 52.00 | |   |
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| 2024 Piet Robbertse Open Chess Tournament (B) | Pretoria | RSA | 2024-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1178 | 2.00 | 3 | 1.03 | 40 | 41.20 | |
|  Adamson, Luke | | | 1384 | RSA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Boheim, Eugene | | | 1334 | RSA | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Gounder, Arun | | | 1224 | RSA | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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 Blou Bul Open Chess Tournament (B) | Pretoria | RSA | 2024-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1178 | 1.00 | 3 | 0.27 | 40 | 10.80 | |
| | Makatwane, Lethabo | | | 1488 | RSA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Stephen, Bulelani | | | 1425 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Mohlahlana, Khomotso Tummy | | | 1252 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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