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Individual Calculations July 2009 |
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| Perera, L.n Total change: -4.00 | |   |
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| Sri Lanka B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1987 | 5.00 | 8 | -0.16 | 25 | -4.00 | |
|  Lamawansa, Yasas | | | 1721 | SRI | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Premachandra, D. | | | 1833 | SRI | 0.00 | 1 | -0.71 | 25 | -17.75 | | | Munasinghe, Shanaka | | | 1791 | SRI | 1.00 | 1 | 0.25 | 25 | 6.25 | |  Jayawardena, Mihiranga | | | 1920 | SRI | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Amarasena, Kaveesha | | | 1908 | SRI | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Kuruwitage, Yasas Kalana | | | 1961 | SRI | 1.00 | 1 | 0.46 | 25 | 11.50 | | | Peiris, T.s.s. | | | 1938 | SRI | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Gunasinghe, S.r. | | | 1940 | SRI | 0.50 | 1 | -0.07 | 25 | -1.75 | |
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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