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Individual Calculations April 2009 |
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| Samarakone, Ul Total change: -5.55 | |   |
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| Sri Lanka Inter Club Super League 08 | Colombo | SRI | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1876 | 1.50 | 6 | -0.54 | 15 | -8.10 | |
|  Kuruppu, D | | | 2043 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Gunasinghe, Sr | | | 1958 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Kalugampitiya, R.s. | | | 2115 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Fernando, Jmmp | | | 1966 | SRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | De Silva, Gihan | | | 2027 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Perera, Dulan | | | 1885 | SRI | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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 | K | K*chg | Game |
| 2057 | 1876 | 1.00 | 3 | 0.17 | 15 | 2.55 | |
| | Alahakoon, Isuru | | | 1977 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Russell, M.k.a. | | | 2209 | SRI | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Miraj, D.a. | | | 1984 | SRI | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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