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Individual Calculations September 2012 |
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| Irving, Laura Total change: 18.00 | |   |
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| South African Open Chess Championships 2012 | Cape Town | RSA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 1995 | 2.00 | 4 | 0.60 | 30 | 18.00 | |
|  Van De Venter, Waldo | | | 1914 | RSA | 1.00 | 1 | 0.39 | 30 | 11.70 | |  Goosen, Anton | c | | 2132 | RSA | 0.00 | 1 | -0.32 | 30 | -9.60 | | | Simutowe, Musatwe | | | 2129 | ZAM | 1.00 | 1 | 0.68 | 30 | 20.40 | | | Van Den Heever, Donovan | c | | 2287 | RSA | 0.00 | 1 | -0.15 | 30 | -4.50 | |
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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