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Individual Calculations May 2015 |
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| Rathnayake, Surani Gayana Total change: 52.80 | |   |
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| National Youth Championships 2015 - Girls Under 14 | Colombo | SRI | 2015-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1158 | 2.50 | 5 | 1.32 | 40 | 52.80 | |
|  Wijesuriya, G P Y | | | 1464 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | |  Sarathchandra, Thihansa Dewwanth | | | 1355 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | De Silva, Tenara | | | 1353 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ekanayake , Devmini Savindi | | | 1332 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Athukorala, Shavindi Uddeepana | | | 1333 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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