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Individual Calculations September 2011 |
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| De Waal, Ingrid Total change: -37.20 | |   |
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| Commonwealth and South African Open 2011 | Johannesburg | RSA | 2011-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1889 | 0.50 | 4 | -1.24 | 30 | -37.20 | |
|  Cawdery, Daniel | c | | 2274 | RSA | 0.00 | 1 | -0.09 | 30 | -2.70 | |  Pon, Matt | | | 1622 | RSA | 0.50 | 1 | -0.32 | 30 | -9.60 | | | Tania, Sachdev | m | wg | 2289 * | IND | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Jansen Van Rensburg, Monica | | wc | 1699 | RSA | 0.00 | 1 | -0.75 | 30 | -22.50 | | | * 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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