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Individual Calculations May 2012 |
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| Kottahachchi, A.s. Total change: -13.80 | |   |
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| Sri Lanka Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1497 | 0.00 | 3 | -0.72 | 30 | -21.60 | |
|  Chandrasiri, Sak | | | 1668 | SRI | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.15 | 30 | -4.50 | |  Selvaratnam, Navodya | | | 1649 | SRI | 0.00 | 1 | -0.30 | 30 | -9.00 | |
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 2012 Under 14 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1497 | 1.00 | 1 | 0.26 | 30 | 7.80 | |
| | Bandara, R M Nisakya | | | 1309 | SRI | 1.00 | 1 | 0.26 | 30 | 7.80 | |
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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