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Individual Calculations September 2009 |
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| Weideman, Hendrik J. Total change: 27.00 | |   |
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| South African Open Chess Championship | Cape Town | RSA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2253 | 1987 | 2.00 | 5 | 1.08 | 25 | 27.00 | |
|  Lochte, Thomas | | | 2176 | GER | 0.50 | 1 | 0.25 | 25 | 6.25 | |  Simutowe, Amon | g | | 2387 * | ZAM | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Mateus, Alice | f | | 2216 | MOZ | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Solomons, Deon M. | c | | 2210 | RSA | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Van Der Nat, Nicholas P. | f | | 2274 | RSA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | * 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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