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Individual Calculations May 2012 |
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| Bandara, R.m.nisakya Total change: 51.60 | |   |
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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 |
| 1567 | 1309 | 1.00 | 4 | 0.26 | 30 | 7.80 | |
|  Jayathilake, Navoda | | | 1614 | SRI | 0.50 | 1 | 0.36 | 30 | 10.80 | |  Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Senarath, Kavindi | | | 1615 | SRI | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Methmini, Nelunika | | | 1560 | SRI | 0.50 | 1 | 0.31 | 30 | 9.30 | |
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 |
| 1546 | 1309 | 2.50 | 5 | 1.46 | 30 | 43.80 | |
| | Kahanda, I D S | | | 1631 | SRI | 0.50 | 1 | 0.37 | 30 | 11.10 | | | Gallage, Y S | | | 1564 | SRI | 1.00 | 1 | 0.81 | 30 | 24.30 | | | Ranasinghe, Thinithi Sahanika | | | 1539 | SRI | 0.50 | 1 | 0.29 | 30 | 8.70 | | | Jayaratne, J P S S | | | 1500 | SRI | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Kottahachchi, A S | | | 1497 | SRI | 0.00 | 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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