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Individual Calculations May 2012 |
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| Sathma, Devni Total change: 22.20 | |   |
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| Sri Lanka Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1419 | 1.50 | 4 | 0.74 | 30 | 22.20 | |
|  Kahanda, Ids | | | 1631 | SRI | 1.00 | 1 | 0.77 | 30 | 23.10 | |  Chandrasiri, Sak | | | 1668 | SRI | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Senarath, Kavindi | | | 1615 | SRI | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Viththiyarani, S | | | 1795 | SRI | 0.00 | 1 | -0.09 | 30 | -2.70 | |
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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