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Individual Calculations February 2019 |
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| Samarakoon, Rashmi Vihara Total change: 5.60 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1018 | 1.00 | 4 | 0.14 | 40 | 5.60 | |
|  Mapa, M M W H | | | 1297 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Seneka, M W Thenumi | | | 1333 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Jayasinghe, Thenugi Dilanya | | | 1187 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Rathnayake, R M Dinithi Panchali | | wc | 1183 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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