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Individual Calculations May 2023 |
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| Potgieter, Edward Total change: -82.40 | |   |
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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 |
| 1429 | 1664 | 4.00 | 8 | -2.06 | 40 | -82.40 | |
|  Ziegenhagen, Vian | | | 1122 | RSA | 0.00 | 1 | -0.97 | 40 | -38.80 | |  Louw, Raynor | | | 1264 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Goliath, Brimarion | | | 1395 | RSA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Nwedo, Khodani | | | 1379 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Price, Daelen | | | 1472 | RSA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Lagardien, Ismaeel | | | 1392 | RSA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Lin, Chenyi | | | 1482 | RSA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Simpson, Michael | | | 1923 | RSA | 0.00 | 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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