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Individual Calculations September 2018 |
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| Lamahewa, C Total change: 19.80 | |   |
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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 |
| 1675 | 1842 | 7.00 | 9 | 0.99 | 20 | 19.80 | |
|  Lankasinghe, Movindu Jayuka | | | 1442 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chandes, K Yasindu | | | 1442 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Morais, Sanithu Leander Pamudith | | | 1442 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kumarawadu, C S | | | 1442 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Priyankara, Chamil | | | 2039 | SRI | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2028 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Jayasekera, Himasha Dulanji | | wc | 1442 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Doluweera, Minul Sanjula | f | | 2165 | SRI | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Kolomwe, Willian | | | 1631 | ZAM | 0.50 | 1 | -0.27 | 20 | -5.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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