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Individual Calculations April 2009 |
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| Ranasinghe, Dilshani Total change: 0.00 | |   |
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| The Inaugural Royal Challenge International Chess Championship 2009 | Colombo | SRI | 2009-01-10 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1888 | 0 | 0.00 | 2 | 0.00 | 1188 | | 0.00 | |
|  Amarasena, Kaveesha | | | 1915 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Munasinghe, Lahiru | | | 1860 | SRI | 0.00 | 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) | | | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1859 | 0 | 1.50 | 5 | 0.00 | 1710 | | 0.00 | |
|  Thilakawardana, Supeshala | | wf | 1820 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Fernando, J.m.m.p. | | | 1966 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Fonseka, C.k.d. | | | 2020 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Munasinghe, Shanaka | | | 1755 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Rohit, V. Lune | | | 1735 | IND | 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) | | | | Sri Lanka Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1898 | 0 | 1.00 | 3 | 0.00 | 1773 | | 0.00 | |
| | Perera, Anjana | | | 1835 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Perera, W.c.c. | | | 1929 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Wettasinghe, Vasantha | | | 1929 | SRI | 0.00 | 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) | | |
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