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Individual Calculations April 2018 |
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| Lubbe, David Stefanus Total change: 4.40 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1302 | 1.50 | 5 | 0.11 | 40 | 4.40 | |
|  Lesuthu, Kali M. | | | 1574 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Mantati, Victor S | | | 1620 | RSA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Wolmarans, Riekie | | | 1348 | RSA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Prinsloo, Marthinus | | | 1486 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Van Heerden, Lara | | | 1379 | RSA | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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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