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Individual Calculations May 2010 |
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| Perera, L N Total change: 10.20 | |   |
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| Sri Lanka Open Chess Championship | Kandy | SRI | 2010-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1982 | 4.50 | 7 | 0.68 | 15 | 10.20 | |
|  Weerasooriya, J M | | | 1727 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Russell, M K A | | | 2272 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Ranasinghe, S D | | | 1831 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Senanayaka, P D | | | 1848 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Krishna, C R G | | | 2197 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Herath, H M L Y | | | 1837 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Jayasundara, P K U M | | | 1943 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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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