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Individual Calculations May 2012 |
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| Chandrasiri, S A K Total change: 56.40 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Kandy | Kandy | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1668 | 2.00 | 3 | 0.62 | 15 | 9.30 | |
|  Wijesundara, Charith | | | 1824 | SRI | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Kulasekara, Kashapa D M T | | | 1866 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kumarasinghe, U U | | | 1369 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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 |
| 1638 | 1668 | 5.50 | 9 | 0.66 | 15 | 9.90 | |
| | Kottahachchi, A.s. | | | 1497 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sathma, Devni | | | 1419 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Chankamie, M.k.t. | | | 1629 | SRI | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Basnayake, Iu | | | 1799 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Perera, Panchali | | | 1685 | SRI | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Jayathilake, Mihirani | | | 1698 | SRI | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Selvaratnam, Navodya | | | 1649 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 |
| 1699 | 1668 | 8.50 | 13 | 2.48 | 15 | 37.20 | |
| | Senanayake, P R | | wf | 1788 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Perera, Panchali | | | 1685 | SRI | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Nawaratne, Malithi | | | 1558 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Chankamie, M K T | | | 1629 | SRI | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Jayathilake, Mihirani | | | 1698 | SRI | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Kahanda, I D S | | | 1631 | SRI | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Methmali, Y | | | 1798 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | De Silva, Shelani | | | 1559 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Basnayake, I U | | | 1799 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ranasinghe, S D | | wm | 1913 | SRI | 1.00 | 1 | 0.80 | 15 | 12.00 | |
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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