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Individual Calculations January 2016 |
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| Rangamuwa, W L B Total change: 17.60 | |   |
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| Ethugalpura International Rating Chess Championship 2015 | Kurunegala | SRI | 2015-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1450 | 3.00 | 6 | 0.88 | 20 | 17.60 | |
|  Weerasinghe, C C | | | 1765 | SRI | 1.00 | 1 | 0.86 | 20 | 17.20 | |  Galagamaarachchi, A S | | | 1795 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Alahakoon, T N | | | 1764 | SRI | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Tribuwan, T W Helik | | | 1688 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Dharmasena, K Kavinu Ransara | | | 1258 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Deshadara, Masachchi Sineth | | | 1225 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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