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Individual Calculations May 2012 |
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| Basnayake, Iu Total change: -12.15 | |   |
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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 |
| 1604 | 1799 | 6.00 | 9 | -0.73 | 15 | -10.95 | |
|  Methmini, Nelunika | | | 1560 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Senarath, Kavindi | | | 1615 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Gimhani, H. Shashipraba | | | 1629 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Chandrasiri, Sak | | | 1668 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Jayathilake, Navoda | | | 1614 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Kahanda, Ids | | | 1631 | SRI | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Perera, Panchali | | | 1685 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | Sri Lanka Women's National Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1799 | 7.50 | 13 | -0.84 | 15 | -12.60 | |
| | Perera, Panchali | | | 1685 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Nawaratne, Malithi | | | 1558 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Chankamie, M K T | | | 1629 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Jayathilake, Mihirani | | | 1698 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Kahanda, I D S | | | 1631 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | De Silva, Shelani | | | 1559 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Chandrasiri, S A K | | | 1668 | SRI | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Senanayake, P R | | wf | 1788 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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 18 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1799 | 5.00 | 6 | 0.76 | 15 | 11.40 | |
| | De Silva, Chamindra | | | 1567 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Lamawansa, Yashmi | | | 1636 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Abeywardena, N T | | | 1739 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Senarath, Kavindi | | | 1615 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Perera, Panchali | | | 1685 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Abeywardena, H N | | | 1607 | SRI | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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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