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Individual Calculations May 2011 |
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| Wettasinha, Vasanta Total change: -6.30 | |   |
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| Sri Lanka Open International Rating Tournament 2011 | Colombo | SRI | 2011-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1772 | 0.50 | 4 | -0.42 | 15 | -6.30 | |
|  Alahakoon, Isuru | | | 1950 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Anuruddha, G C | | | 2141 | SRI | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Dissanayake, R S | | | 2021 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Premanath, Dinushki | | wf | 1873 | SRI | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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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