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Individual Calculations May 2012 |
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| Sumithrarachchi, Sayuri Total change: 52.20 | |   |
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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 |
| 1600 | 1576 | 3.50 | 4 | 1.63 | 30 | 48.90 | |
|  Karunarathna, Sanduni Imasha | | | 1365 | SRI | 0.50 | 1 | -0.27 | 30 | -8.10 | |  Jayasundara, H.j.m.r.m. | | | 1494 | SRI | 1.00 | 1 | 0.39 | 30 | 11.70 | | | Yashora, Tiumi | | | 1747 | SRI | 1.00 | 1 | 0.73 | 30 | 21.90 | | | Viththiyarani, S | | | 1795 | SRI | 1.00 | 1 | 0.78 | 30 | 23.40 | |
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 |
| 1706 | 1576 | 4.50 | 13 | 0.11 | 30 | 3.30 | |
| | Jayathilake, Mihirani | | | 1698 | SRI | 0.00 | 1 | -0.33 | 30 | -9.90 | | | Kahanda, I D S | | | 1631 | SRI | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.22 | 30 | -6.60 | | | De Silva, Shelani | | | 1559 | SRI | 1.00 | 1 | 0.48 | 30 | 14.40 | | | Basnayake, I U | | | 1799 | SRI | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Chandrasiri, S A K | | | 1668 | SRI | 0.50 | 1 | 0.13 | 30 | 3.90 | | | Senanayake, P R | | wf | 1788 | SRI | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Perera, Panchali | | | 1685 | SRI | 1.00 | 1 | 0.65 | 30 | 19.50 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.01 | 30 | -0.30 | | | Nawaratne, Malithi | | | 1558 | SRI | 1.00 | 1 | 0.47 | 30 | 14.10 | | | Chankamie, M K T | | | 1629 | SRI | 0.50 | 1 | 0.07 | 30 | 2.10 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.00 | 1 | -0.14 | 30 | -4.20 | |
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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