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Individual Calculations February 2019 |
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| Weththawa, B G E D Total change: -67.20 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1151 | 1285 | 1.00 | 4 | -1.68 | 40 | -67.20 | |
|  Cooray, T C M Dulein Kavindu | | | 1379 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | |  Hiyarapitiya, D S | | | 1076 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Viduranga, Oshadha | | | 1062 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Thalduwaarachchi, T A N B | | | 1086 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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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