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Individual Calculations September 2018 |
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| Dissanayake, Sasandu Upeksha Total change: 19.20 | |   |
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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 |
| 1369 | 1129 | 1.50 | 5 | 0.48 | 40 | 19.20 | |
|  Jayasekera, Himasha Dulanji | | wc | 1357 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Sarathchandra, Gihansa M | | | 1338 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Weerasinghe, Isum | | | 1373 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Gunarathne, Senila Amaneth | c | | 1465 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Wijayawardana, Dineth Chanal | | | 1311 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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