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Individual Calculations May 2012 |
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| Dissanayake, R S Total change: -11.85 | |   |
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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 |
| 1752 | 1978 | 4.00 | 6 | -0.58 | 15 | -8.70 | |
|  Wijerathne, Surath | | | 1578 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Obeysekara, T A Sajith Chathuran | | | 1625 | SRI | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Gunaratne, Mojitha Sathsara | | | 1686 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Gunasinghe, W A T S | | | 1909 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | De Silva, Rasheen | | | 1942 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Kumara, Sisira | | | 1769 | SRI | 0.50 | 1 | -0.27 | 15 | -4.05 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1925 | 1978 | 5.50 | 10 | -0.21 | 15 | -3.15 | |
| | Kumara, C.m.s. Praneeth | | | 1812 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Chandrarathne, Wsn | | | 1892 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Weerawardena, R | | | 2105 | SRI | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Koggala, Wsvk | | | 2020 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Prabajith, Asela | | | 1858 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | De Silva, Osheen | | | 1889 | SRI | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Madumadha, Chaithika Samith | | | 1893 | SRI | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Bandara, Dhanushka | | | 1849 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Lamahewa, C | | | 1853 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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