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Individual Calculations May 2017 |
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| Ahamat, Zulaika Total change: -31.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1061 | 0.50 | 4 | -0.65 | 40 | -26.00 | |
|  Hansaja, K D Dulan | | | 1226 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Kithmal, P M Kalindhu | | | 1295 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Cooray, T C M Dulein Kavindu | | | 1199 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Jayawardana, Chenuka Nethvidu | | | 1172 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1061 | 0.00 | 1 | -0.14 | 40 | -5.60 | |
| | Rathnayake, Nevindi Gihansa | | | 1376 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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