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Individual Calculations September 2013 |
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| Askey, Roshell Nathasha Total change: 3.60 | |   |
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| 6th Colombo International Chess Championships 2013 | Colombo | SRI | 2013-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1406 | 1.00 | 4 | 0.24 | 15 | 3.60 | |
|  Methmani, Nelunika | | wm | 1590 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | |  Amarathunga, Subuddhi | | | 1629 | SRI | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Obeysekara, T A Sajith Chathuran | | | 1664 | SRI | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Viththiyarani, S | | | 1768 | SRI | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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