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Individual Calculations July 2009 |
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| Liyanapathirana, Pasan Vindula Total change: 0.00 | |   |
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| Sri Lanka Junior National Chess Championship 2009 | Colombo | SRI | 2009-04-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1906 | 0 | 1.50 | 4 | 0.00 | 1819 | | 0.00 | |
|  Jayasundara, P.k.u.m. | | | 1905 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Peiris, T.s.s. | | | 1938 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ranasinghe, C.n. | | | 1860 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Munasinghe, Lahiru | | | 1920 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Colombo Major Chess Championship 2009 | Colombo | SRI | 2009-04-24 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1863 | 0 | 4.00 | 6 | 0.00 | 1888 | | 0.00 | |
| | Premachandra, D. | | | 1833 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Harishman, S. | | | 1756 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Kumara, Sisira | | | 1821 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Saranapala, Nimantha | | | 1867 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Peiris, T.s.s. | | | 1938 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Kuruwitage, Yasas Kalana | | | 1961 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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 B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1838 | 0 | 2.50 | 8 | 0.00 | 1697 | | 0.00 | |
| | Jayawardena, Mihiranga | | | 1920 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ranasinghe, C.n. | | | 1860 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Alahakoon, Isuru | | | 1947 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayarathne, M.n.g. | | | 1756 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Perera, Jayasanka | | | 1820 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Munasinghe, Lahiru | | | 1920 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Seneviratne, Shehan | | | 1580 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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