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Individual Calculations February 2018 |
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| Rathnayaka, R A H K Total change: 19.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1231 | 1031 | 1.00 | 2 | 0.48 | 40 | 19.20 | |
|  Waranga, M G Yasasmi | | | 1362 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Ramanayake, R A Kavindya V | | | 1100 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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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