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Individual Calculations July 2010 |
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| Athukorala, P M A B Total change: -47.10 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2127 | 5.50 | 9 | -0.90 | 15 | -13.50 | |
|  Randil, Lakshitha | | | 1893 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | |  De Silva, Osheen | | | 1930 | SRI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Wijekoon, Chandana | | | 1961 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Koggala, W S V K | | | 1969 | SRI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Alahakoon, Isuru | | | 1954 | SRI | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Jayawardena, M | | | 1945 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Pieris, T D R | | | 2083 | SRI | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Munasinghe, Lahiru | | | 1949 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Fonseka, C K D | | | 2000 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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 Chess Championship 2010 | Colombo | SRI | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2127 | 6.00 | 13 | -2.24 | 15 | -33.60 | |
| | Wijekoon, Chandana | | | 1958 | SRI | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Amarasena, Kaveesha | | | 1926 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Peiris, T S S | | | 2003 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Weerawardane, R | | | 2165 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | De Silva, Osheen | | | 1948 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Pieris, T D R | | | 2062 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Koggala, W S V K | | | 1940 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Dissanayake, R S | | | 2030 | SRI | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Perera, W C C | | | 1963 | SRI | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Bandara, P M R L | | | 1995 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Anuruddha, G C | | | 2120 | SRI | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Jayasundara, P K U M | | | 1954 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Russell, M K A | | | 2269 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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