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Individual Calculations May 2012 |
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| Perera, Panchali Total change: 17.85 | |   |
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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 |
| 1611 | 1685 | 5.00 | 8 | 0.21 | 15 | 3.15 | |
|  Jayasundara, H.j.m.r.m. | | | 1494 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | |  De Silva, Shelani | | | 1559 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Jayathilake, Navoda | | | 1614 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Chandrasiri, Sak | | | 1668 | SRI | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Gimhani, H. Shashipraba | | | 1629 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Basnayake, Iu | | | 1799 | 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 |
| 1697 | 1685 | 6.50 | 13 | 0.18 | 15 | 2.70 | |
| | Basnayake, I U | | | 1799 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Chandrasiri, S A K | | | 1668 | SRI | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Senanayake, P R | | wf | 1788 | SRI | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Nawaratne, Malithi | | | 1558 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Chankamie, M K T | | | 1629 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Jayathilake, Mihirani | | | 1698 | SRI | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Kahanda, I D S | | | 1631 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.35 | 15 | -5.25 | | | De Silva, Shelani | | | 1559 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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 |
| 1661 | 1685 | 4.00 | 6 | 0.80 | 15 | 12.00 | |
| | Senarath, Kavindi | | | 1615 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Lamawansa, Yashmi | | | 1636 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | | | De Silva, Chamindra | | | 1567 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Abeywardena, H N | | | 1607 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Basnayake, I U | | | 1799 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Abeywardena, N T | | | 1739 | SRI | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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