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Individual Calculations May 2023 |
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| Simpson, Michael Total change: -4.00 | |   |
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| 2023 South African Junior Closed (U16 Open) | Johannesburg | RSA | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1923 | 8.00 | 9 | -0.10 | 40 | -4.00 | |
|  Kruger, Neeke | | | 1523 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Coetsee, Dewald | | | 1423 | RSA | 1.00 | 1 | 0.04 | 40 | 1.60 | | | Lin, Chenyi | | | 1482 | RSA | 0.00 | 1 | -0.94 | 40 | -37.60 | | | Yan, Weilun | | | 1373 | RSA | 1.00 | 1 | 0.03 | 40 | 1.20 | | | Jones, William | | | 1270 | RSA | 1.00 | 1 | 0.01 | 40 | 0.40 | | | Price, Daelen | | | 1472 | RSA | 1.00 | 1 | 0.06 | 40 | 2.40 | | | Soojay, Jorah | | | 1856 | RSA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Nwedo, Khodani | | | 1379 | RSA | 1.00 | 1 | 0.03 | 40 | 1.20 | | | Potgieter, Edward | | | 1664 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | * 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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