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Individual Calculations September 2018 |
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| Dediyagala, Kelum Total change: -43.20 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1556 | 1.00 | 3 | -1.08 | 40 | -43.20 | |
|  Alahakoon, A M C | | | 1710 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Tirimanna, Akila | | | 1200 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Selvarajah, Selvendra | | | 1198 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | |
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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