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Individual Calculations July 2009 |
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| Rajapakshe, R.m.t.c Total change: 30.50 | |   |
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| Kandy Major Chess Championship 2009 | Kandy | SRI | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1642 | 1.00 | 2 | 0.60 | 25 | 15.00 | |
|  Yaparathne, Bhagya | | | 1907 | SRI | 0.50 | 1 | 0.32 | 25 | 8.00 | |  Ranasinghe, C.n | | | 1860 | SRI | 0.50 | 1 | 0.28 | 25 | 7.00 | |
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 | K | K*chg | Game |
| 1911 | 1642 | 1.50 | 5 | 0.62 | 25 | 15.50 | |
| | Wijekoon, Chandana | | | 1965 | SRI | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Jayawardena, Mihiranga | | | 1920 | SRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Ranasinghe, C.n. | | | 1860 | SRI | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Amarasena, Kaveesha | | | 1908 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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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