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Individual Calculations July 2010 |
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| Perera, Panchali Total change: 7.75 | |   |
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| Sri Lanka Women's National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1530 | 1.50 | 4 | 0.31 | 25 | 7.75 | |
|  Lamawansa, Yashmi | | | 1697 | SRI | 0.50 | 1 | 0.22 | 25 | 5.50 | |  Udupitiya, U G S S S | | | 1755 | SRI | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Basnayake, I U | | | 1685 | SRI | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Gunawardana, Dhakshika | | | 1606 | SRI | 1.00 | 1 | 0.60 | 25 | 15.00 | |
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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