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Individual Calculations April 2009 |
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| Selvaratnam, Navodya Total change: -3.15 | |   |
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| 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1722 | 0.50 | 2 | 0.03 | 15 | 0.45 | |
|  Hapuarachchi, H.l.m. | | | 1937 | SRI | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Amarasinghe, A.a.c.b. | | | 1925 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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 Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1722 | 0.00 | 1 | -0.24 | 15 | -3.60 | |
| | Jayawardena, Mihiranga | | | 1921 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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