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Individual Calculations May 2019 |
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| Potgieter, Edward Total change: -45.60 | |   |
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| Capablanca Chess Festival (Swiss B) | Pretoria | RSA | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1070 | 1188 | 1.50 | 4 | -1.14 | 40 | -45.60 | |
|  Koaile, Thapelo | | | 1132 | RSA | 0.00 | 1 | -0.58 | 40 | -23.20 | |  Coetsee, Dewald | | | 1076 | RSA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | De Vries, Matthys Andrio | | | 1028 | RSA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Malan, Henco | | | 1042 | RSA | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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