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Individual Calculations May 2012 |
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| Chankamie, M K T Total change: 1.65 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Galle | Galle | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1616 | 2.50 | 5 | 0.36 | 30 | 10.80 | |
|  Kahanda, I D S | | | 1631 | SRI | 0.50 | 1 | 0.02 | 30 | 0.60 | |  Wijerathne, Theshan Thathsara | | | 1642 | SRI | 1.00 | 1 | 0.54 | 30 | 16.20 | | | De Silva, Gihan | | | 1993 | SRI | 0.00 | 1 | -0.09 | 30 | -2.70 | | | Yashora, Tiumi | | | 1747 | SRI | 1.00 | 1 | 0.68 | 30 | 20.40 | | | Weerasinghe, Kavindu Nirmana | | | 1381 | SRI | 0.00 | 1 | -0.79 | 30 | -23.70 | |
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 |
| 1490 | 1629 | 6.00 | 9 | -0.10 | 30 | -3.00 | |
| | Nonis, Parr | | | 1319 | SRI | 1.00 | 1 | 0.14 | 30 | 4.20 | | | Balasuriya, Sajini Hasara | | | 1413 | SRI | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Chandrasiri, Sak | | | 1668 | SRI | 0.00 | 1 | -0.45 | 30 | -13.50 | | | Jayasundara, H.j.m.r.m. | | | 1494 | SRI | 0.50 | 1 | -0.18 | 30 | -5.40 | | | De Silva, Shelani | | | 1559 | SRI | 0.00 | 1 | -0.60 | 30 | -18.00 | | | Karunarathna, Sanduni Imasha | | | 1365 | SRI | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Kulatunga, Dinithi | | | 1552 | SRI | 1.00 | 1 | 0.39 | 30 | 11.70 | | | Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 1.00 | 1 | 0.30 | 30 | 9.00 | | | Nawaratne, Malithi | | | 1558 | 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) | | | NOTE: K factor changed | | Sri Lanka Women's National Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1629 | 4.50 | 13 | -0.83 | 15 | -12.45 | |
| | Kahanda, I D S | | | 1631 | SRI | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Methmali, Y | | | 1798 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | De Silva, Shelani | | | 1559 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Basnayake, I U | | | 1799 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Chandrasiri, S A K | | | 1668 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Senanayake, P R | | wf | 1788 | SRI | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Perera, Panchali | | | 1685 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Jayathilake, Mihirani | | | 1698 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | NOTE: K factor changed | | National Youth Chess Championship 2012 Under 16 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1629 | 3.50 | 6 | 0.42 | 15 | 6.30 | |
| | Kulatunga, Dinithi | | | 1552 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Sathya, S Promodhi | | | 1576 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | | | De Silva, Shelani | | | 1559 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Sanali, W A Nathasha | | | 1724 | SRI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Dissanayake, D D M R P K | | | 1563 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Yashora, Tiumi | | | 1747 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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