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Individual Calculations October 2021 |
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| Setshedi, Neo Total change: 13.60 | |   |
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| 2021 Gauteng North Open (Section B) | Pretoria | RSA | 2021-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1168 | 1024 | 1.00 | 2 | 0.37 | 40 | 14.80 | |
|  Badenhorst, Nicolaas Jacobus | | | 1246 | RSA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Boheim, Eugene | | | 1090 | RSA | 1.00 | 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 (U16 Open) | Pretoria | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1012 | 0.50 | 4 | -0.03 | 40 | -1.20 | |
| | Smit, Yoshua | | | 1372 | RSA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Govender, Shevern | | | 1412 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Simpson, Michael | | | 1412 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Delport, Ben | | | 1185 | RSA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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