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Individual Calculations July 2009 |
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| Lamawansa, Yashmi Total change: -51.75 | |   |
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| Sri Lanka Women's B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1749 | 1.00 | 2 | 0.02 | 25 | 0.50 | |
|  Premanath, Dinushki | | | 1708 | SRI | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Walallawita, Lihini | | wc | 1809 | SRI | 0.50 | 1 | 0.08 | 25 | 2.00 | |
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) | | | | Sri Lanka Women's National Chess Championship 2009 | Colombo | SRI | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1749 | 5.00 | 13 | -2.09 | 25 | -52.25 | |
|  Rathnayake, Jeewanthi | | | 1564 | SRI | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Abeywardena, N T | | | 1683 | SRI | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Selvaratnam, Navodya | | | 1719 | SRI | 0.00 | 1 | -0.54 | 25 | -13.50 | | | Wanasinghe, Lakshika | | | 1667 | SRI | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Thilakawardana, Supeshala | | wf | 1802 | SRI | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Udupitiya, U G S S S | | | 1748 | SRI | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Premanath, Dinushki | | | 1708 | SRI | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Ranasinghe, Dilshani | | | 1711 | SRI | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Ranasinghe, S D | | | 1778 | SRI | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Basnayake, I U | | | 1659 | SRI | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Walallawita, Lihini | | wc | 1809 | SRI | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Yashora, Tiumi | | | 1697 | SRI | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Wettasinghe, S V | | | 1750 | SRI | 1.00 | 1 | 0.50 | 25 | 12.50 | |
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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