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Individual Calculations July 2008 |
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| Dissanayake, Prasanga Total change: -26.10 | |   |
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| Sri Lanka Inter Club Chess Championship 2007 | Colombo | SRI | 2008-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2144 | 1.00 | 3 | -0.83 | 15 | -12.45 | |
|  Chandraratne, W.l.c. | | | 2103 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Jayawardena, M | | | 1899 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | |  Anuruddha, G.c | | | 2167 | SRI | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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 National B Chess Championship 2008 | Colombo | SRI | 2008-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2144 | 5.00 | 8 | -0.91 | 15 | -13.65 | |
| | Gunasinghe, Sameera | | | 1966 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Hettiarachchi, A.u. | | | 1986 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Peiris, T.g.m. | | | 2027 | SRI | 0.00 | 1 | -0.66 | 15 | -9.90 | | | De Silva, Osheen | | | 1960 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Wijekoon, Chandana | | | 1957 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Hapuarachchi, H.l.m. | | | 1841 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Priyankara, Chamil | | | 1934 | SRI | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Madugalle, Y.d.b. | | | 1991 | SRI | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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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