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Individual Calculations February 2019 |
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| Subasinghe, S M T D Total change: 2.80 | |   |
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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 |
| 1234 | 1091 | 1.00 | 3 | 0.07 | 40 | 2.80 | |
|  Karthikeyan, Kiruththikah | | | 1184 | SRI | 1.00 | 1 | 0.63 | 40 | 25.20 | |  Siyambalapitiya, S V D S | | | 1221 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Mapa, M M W H | | | 1297 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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