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Individual Calculations October 2021 |
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| Boheim, Eugene Total change: -50.40 | |   |
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| 2021 Gauteng North Open (Section B) | Pretoria | RSA | 2021-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1090 | 0.00 | 3 | -1.13 | 40 | -45.20 | |
|  Manganye, Tshepiso | | | 1469 | RSA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Yang, Alex | | | 1128 | RSA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Setshedi, Neo | | | 1024 | RSA | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | 2021 Etienne Lewis (U14 Open) | Pretoria | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1159 | 1.00 | 3 | -0.13 | 40 | -5.20 | |
| | Jacobs, Calvin Nicholas | | | 1320 | RSA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Sathish, Abinavah | | | 1251 | RSA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Koning, Lehan | | | 1182 | RSA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | |
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