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Individual Calculations May 2011 |
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| Gamage, Chathulanka Total change: 29.25 | |   |
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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 |
| 1787 | 1600 | 2.50 | 5 | 1.17 | 25 | 29.25 | |
|  Perera, Piruna Kamala | | | 1592 | SRI | 1.00 | 1 | 0.49 | 25 | 12.25 | |  Premanath, Dinushki | | wf | 1873 | SRI | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Jayasuriya, Dinushka | | | 1851 | SRI | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Harishman, S | | | 1795 | SRI | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Senanayaka, P D | | | 1826 | SRI | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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) | | |
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