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Individual Calculations April 2009 |
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| Perera, Jayasanka 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 |
| 1838 | 0 | 2.00 | 5 | 0.00 | 1766 | | 0.00 | |
|  Sharma, Kushagra | | | 1762 | IND | 1.00 | 1 | 0.00 | | 0.00 | |  Amarasinghe, A.a.c.b.j.b. | | | 1925 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, W.c.c. | | | 1929 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Thilakawardana, Supeshala | | | 1820 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Munasinghe, Shanaka | | | 1755 | SRI | 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) | | | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1833 | 0 | 4.50 | 7 | 0.00 | 1858 | | 0.00 | |
| | Basnayake, I.u. | | | 1663 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Kumara, Sisira | | | 1827 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Lamawansa, Yashmi | | | 1749 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Saranapala, Nimantha | | | 1851 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Miraj, D.a. | | | 1984 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Ranasinghe, S.d. | | | 1783 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Jain Singhai, Niklesh | | | 1973 | IND | 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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