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Individual Calculations July 2009 |
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| Munasinghe, Shanaka Total change: -18.00 | |   |
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| Colombo Major Chess Championship 2009 | Colombo | SRI | 2009-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1791 | 1.50 | 4 | 0.29 | 25 | 7.25 | |
|  Kuruwitage, Yasas Kalana | | | 1961 | SRI | 0.00 | 1 | -0.28 | 25 | -7.00 | |  Wijekoon, Chandana | | | 1965 | SRI | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Munasinghe, Lahiru | | | 1920 | SRI | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Jayawardena, Mihiranga | | | 1920 | SRI | 0.50 | 1 | 0.17 | 25 | 4.25 | |
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 | K | K*chg | Game |
| 1945 | 1791 | 0.50 | 5 | -1.01 | 25 | -25.25 | |
| | Wijesuriya, G.l. | | | 2049 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Perera, L.n | | | 1987 | SRI | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Fernando, J.m.m.p. | | | 1934 | SRI | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Perera, Jayasanka | | | 1820 | SRI | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Chandrarathne, W.s.n. | | | 1933 | SRI | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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