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Individual Calculations September 2018 |
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| Gamage, Vinuki Total change: -13.60 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1365 | 1016 | 0.00 | 3 | -0.34 | 40 | -13.60 | |
|  Weerasinghe, Isum | | | 1373 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Ponnamperuma, Weraka Vasath | | | 1385 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Kanathipan, Thiruchelvan | | | 1338 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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