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Individual Calculations May 2012 |
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| Jayathilake, Mihirani Total change: -107.10 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Colombo | Colombo | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1521 | 1726 | 1.50 | 5 | -2.24 | 30 | -67.20 | |
|  Rathnasekara, Abimanyu | | | 1764 | SRI | 0.50 | 1 | 0.05 | 30 | 1.50 | |  Weerasinghe, Chamath | | | 1488 | SRI | 0.00 | 1 | -0.80 | 30 | -24.00 | | | Nanayakkara, J A K Saranath | | | 1403 | SRI | 1.00 | 1 | 0.13 | 30 | 3.90 | | | Deegoda, S R | | | 1527 | SRI | 0.00 | 1 | -0.76 | 30 | -22.80 | | | Punchihewa, Kokila Prageeth | | | 1422 | SRI | 0.00 | 1 | -0.86 | 30 | -25.80 | |
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) | | | | Sri Lanka Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1698 | 3.50 | 5 | 0.24 | 30 | 7.20 | |
| | Kumari, Sct | | | 1507 | SRI | 1.00 | 1 | 0.25 | 30 | 7.50 | | | Chandrasiri, Sak | | | 1668 | SRI | 1.00 | 1 | 0.46 | 30 | 13.80 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.19 | 30 | -5.70 | | | Gimhani, H. Shashipraba | | | 1629 | SRI | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.18 | 30 | -5.40 | |
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 |
| 1696 | 1698 | 5.00 | 13 | -1.57 | 30 | -47.10 | |
| | Sumithrarachchi, Sayuri | | | 1576 | SRI | 1.00 | 1 | 0.33 | 30 | 9.90 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Kahanda, I D S | | | 1631 | SRI | 0.50 | 1 | -0.09 | 30 | -2.70 | | | Methmali, Y | | | 1798 | SRI | 1.00 | 1 | 0.64 | 30 | 19.20 | | | De Silva, Shelani | | | 1559 | SRI | 0.50 | 1 | -0.19 | 30 | -5.70 | | | Basnayake, I U | | | 1799 | SRI | 0.50 | 1 | 0.14 | 30 | 4.20 | | | Chandrasiri, S A K | | | 1668 | SRI | 0.00 | 1 | -0.54 | 30 | -16.20 | | | Senanayake, P R | | wf | 1788 | SRI | 0.50 | 1 | 0.12 | 30 | 3.60 | | | Perera, Panchali | | | 1685 | SRI | 0.00 | 1 | -0.52 | 30 | -15.60 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.00 | 1 | -0.68 | 30 | -20.40 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.19 | 30 | -5.70 | | | Chankamie, M K T | | | 1629 | SRI | 0.50 | 1 | -0.10 | 30 | -3.00 | |
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) | | |
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