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Individual Calculations May 2011 |
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| Koswattha K, W D M D I Total change: 10.00 | |   |
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| Sri Lanka National Youth under 18 Girls Chess Championship 2011 | Colombo | SRI | 2011-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1517 | 1.00 | 3 | 0.40 | 25 | 10.00 | |
|  Abeywickrama, S S P | | | 1766 | SRI | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Perera, Anjana | | wc | 1832 | SRI | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Abeywardena, N T | | | 1691 | SRI | 0.50 | 1 | 0.23 | 25 | 5.75 | |
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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