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Individual Calculations January 2019 |
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| Ayeshan, Nipuna Total change: 18.80 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1162 | 2.00 | 3 | 0.47 | 40 | 18.80 | |
|  Mallawaaratchi, M Januthi S B | | | 1010 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | |  Abeysinghe, S M A M | | | 1503 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Gunasiri, S H Dilshan Tharindu | | | 1008 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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