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Individual Calculations April 2009 |
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| Karunanayake, Chathuri Total change: 9.75 | |   |
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| 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1627 | 0.50 | 1 | 0.39 | 25 | 9.75 | |
|  Ketalawala, J.k.c. | | | 1977 | SRI | 0.50 | 1 | 0.39 | 25 | 9.75 | |
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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