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Individual Calculations May 2012 |
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| Naotunna, Dineth Nimnaka Total change: 4.20 | |   |
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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 |
| 1681 | 1647 | 2.00 | 3 | 0.66 | 30 | 19.80 | |
|  Hansaka, W A Melan | | | 1371 | SRI | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Deshapriya, S R | | | 1802 | SRI | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Alahakoon, T N | | | 1871 | 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 National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1647 | 2.00 | 8 | -0.50 | 30 | -15.00 | |
|  Madumadha, Chaithika Samith | | | 1893 | SRI | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Liyanapathirana, Kasun | | | 1817 | SRI | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Rathnasekara, Abhimanyu | | | 1766 | SRI | 0.00 | 1 | -0.34 | 30 | -10.20 | | | De Silva, Gihan | | | 1993 | SRI | 0.00 | 1 | -0.11 | 30 | -3.30 | | | Thawalampola, Banuka Neranjan | | | 1555 | SRI | 1.00 | 1 | 0.37 | 30 | 11.10 | | | Bandara, Ajsd | | | 1794 | SRI | 0.50 | 1 | 0.20 | 30 | 6.00 | | | Herath, Hmak | | | 1702 | SRI | 0.50 | 1 | 0.08 | 30 | 2.40 | | | Fernando, Jmmp | | | 1858 | SRI | 0.00 | 1 | -0.23 | 30 | -6.90 | |
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 14 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1647 | 3.00 | 5 | -0.02 | 30 | -0.60 | |
| | Ratnayake, Nadeesh Sahan | | | 1503 | SRI | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Nanayakkara, Ravindu Ridmal | | | 1579 | SRI | 1.00 | 1 | 0.41 | 30 | 12.30 | | | Ranathunga, Vidusha Hirushan | | | 1572 | SRI | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Gamage, Chathulanka | | | 1645 | SRI | 0.50 | 1 | 0.00 | 30 | 0.00 | | | Suriyabandara, S M D | | | 1548 | SRI | 0.00 | 1 | -0.64 | 30 | -19.20 | |
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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