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Individual Calculations April 2009 |
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| Abeywardana, Naduni 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 |
| 2012 | 0 | 0.00 | 4 | 0.00 | 1312 | | 0.00 | |
|  Kalugampitiya, R.s. | | | 2115 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Fonseka, C.k.d. | | | 2020 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Miraj, D.a. | | | 1984 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, W.c.c. | | | 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) | | | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2133 | 0 | 0.00 | 1 | 0.00 | 1433 | | 0.00 | |
| | Peiris, T.g.m. | | | 2133 | 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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