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Individual Calculations May 2017 |
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| Perera, L A A S Total change: -37.20 | |   |
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| National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1235 | 0.50 | 4 | -0.93 | 40 | -37.20 | |
|  Vithanage, Sandaruwi M | | | 1588 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Sirimewan, K Hasareli | | | 1396 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kanakarathne, S Nevinka De Silva | | | 1395 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Nelligedara, Amandi | | | 1048 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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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