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Individual Calculations January 2018 |
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| Marasinghe, Chanethma Devangi Total change: 17.60 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1122 | 1014 | 1.50 | 3 | 0.44 | 40 | 17.60 | |
|  Withana, Vidun Manmitha | | | 1124 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Wickramasinghe, D P A L | | | 1122 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Wimalasooriya, L H A S | | | 1119 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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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