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Individual Calculations September 2013 |
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| Wimalarathna, A K I Deshan Total change: -59.40 | |   |
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| 6th Colombo International Chess Championships 2013 | Colombo | SRI | 2013-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1482 | 0.50 | 4 | -1.98 | 30 | -59.40 | |
|  Silva, M Hashen Dhanushka Laksha | | | 1379 | SRI | 0.00 | 1 | -0.64 | 30 | -19.20 | | | Rathnayake, Vishmika A B | | | 1328 | SRI | 0.00 | 1 | -0.71 | 30 | -21.30 | | | Kanakarathne, S Nevinka De Silva | | | 1306 | SRI | 0.00 | 1 | -0.73 | 30 | -21.90 | |  De Silva, J I Ajantha | | | 1553 | SRI | 0.50 | 1 | 0.10 | 30 | 3.00 | |
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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