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Rapid:
Individual Calculations May 2017 |
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| Nelson, Jaco Total change: -40.00 | |   |
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| 2017 PSS Rapid | Johannesburg | RSA | 2017-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1986 | 4.00 | 10 | -2.00 | 20 | -40.00 | |
|  Mabusela, Johannes Manyedi | m | | 2250 | RSA | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Jurgensen, Graham | c | | 2070 | RSA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Khumalo, Keith | | | 1720 | RSA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Tembo, Epah | | wm | 1819 | ZAM | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Jonker, Waldo | | | 1640 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Frick, Denise | | wm | 1778 | RSA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Swartz, David | | | 1970 | RSA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Peretz, Leon | | | 1933 | RSA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Ateka, Nathan | | | 2123 | KEN | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Sadie, Johan Jacobus Hendrik | | | 1709 | RSA | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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