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Individual Calculations February 2018 |
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| Jayasinghe, Miyuni Thisanya Total change: 4.40 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1128 | 2.00 | 5 | 0.11 | 40 | 4.40 | |
|  Choksy, Anaisha | | | 1301 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Sandeepani, M Tharushi | | | 1296 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Dahampriya, H K T Dewnethmie | | | 1480 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Gamage, Chanithma Lakdinee G | | | 1049 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Vidumini, N V V | | | 1038 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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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