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Individual Calculations July 2010 |
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| Wickramanayake, T.u Total change: 34.25 | |   |
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| Sri Lanka Major Division Kandy Chess Championship 2010 | Kandy | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1762 | 1815 | 2.00 | 3 | 0.34 | 25 | 8.50 | |
|  Kuruppu, Supun Dasantha | | | 1525 | SRI | 0.50 | 1 | -0.34 | 25 | -8.50 | | | Kumara, Sisira K.p | | | 1819 | SRI | 1.00 | 1 | 0.51 | 25 | 12.75 | |  Perera, W.c.c | | | 1942 | SRI | 0.50 | 1 | 0.17 | 25 | 4.25 | |
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 National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1815 | 3.50 | 9 | 1.03 | 25 | 25.75 | |
| | Kottahachchy, K O V | | | 2017 | SRI | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Bhagya, Viman | | | 1992 | SRI | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Mallawarachchi, T S | | | 2029 | SRI | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Alahakoon, Isuru | | | 1954 | SRI | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Randil, Lakshitha | | | 1893 | SRI | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Kalugampitiya, R S | | | 2157 | SRI | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Munasinghe, Lahiru | | | 1949 | SRI | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Amarasena, Kaveesha | | | 1921 | SRI | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Amarakoon, Naditha | | | 2024 | SRI | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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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