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Individual Calculations July 2009 |
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| Lansakara, L.m.t.i. 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 |
| 1898 | 0 | 1.00 | 2 | 0.00 | 1898 | | 0.00 | |
|  Amarasena, Kavisha | | | 1908 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Pinto, Semuthu | | | 1887 | SRI | 1.00 | 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 |
| 1883 | 0 | 4.50 | 7 | 0.00 | 1908 | | 0.00 | |
|  Seneviratne, Malinda | | | 1844 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Saranapala, Nimantha | | | 1867 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Wijekoon, Chandana | | | 1965 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Jayawardena, Mihiranga | | | 1920 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Jayasundara, P.k.u.m. | | | 1905 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Premachandra, D. | | | 1833 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Madurapperuma, Uvin | | | 1845 | SRI | 1.00 | 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) | | | | Sri Lanka B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1877 | 0 | 4.00 | 9 | 0.00 | 1834 | | 0.00 | |
| | Peiris, T.s.s. | | | 1938 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Subash, Lasitha | | | 1880 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Liyanage, N.p. | | | 1938 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Perera, Jayasanka | | | 1820 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Pinto, Semuthu | | | 1887 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayarathne, M.n.g. | | | 1756 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Kottahachchy, K.o.v | | | 2050 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Lamawansa, Yasas | | | 1721 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Amarasinghe, A.a.c.b.j.b. | | | 1901 | 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) | | |
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