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Individual Calculations January 2018 |
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| Khumalo, Keith Total change: -23.20 | |   |
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| 2017 South African Closed Championships (U23) | Cape Town | RSA | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1928 | 5.50 | 10 | -0.58 | 40 | -23.20 | |
|  Bornheim, Craig | c | | 1981 | RSA | 0.00 | 1 | -0.43 | 40 | -17.20 | |  Lubbe, David Stefanus | | | 1528 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vester, Jordan | | | 1913 | RSA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Gluckman, Paul | f | | 1853 | RSA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Essop, Hishaam | | | 1813 | RSA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Du Toit, Stefan | f | | 1918 | RSA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | De Jager, Luan | | | 1960 | RSA | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Du Plessis, Heinco | | | 1991 | RSA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Adams, Seth-Riley | c | | 1817 | RSA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Van Der Merwe, Alexander | | | 1528 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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