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Individual Calculations May 2017 |
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| Attanayake, Chanindi Mewna Total change: -0.80 | |   |
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| National Youth Chess Championship 2017 - Under 10 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1121 | 1129 | 1.00 | 2 | -0.02 | 40 | -0.80 | |
|  Botheju, Yenuli Bihansa | | | 1162 | SRI | 1.00 | 1 | 0.55 | 40 | 22.00 | |  Akuratiya, A G Javindi Avarjana | | | 1080 | SRI | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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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