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Individual Calculations September 2013 |
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| Rathnayake, Vishmika A B Total change: 6.90 | |   |
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| 6th Colombo International Chess Championships 2013 | Colombo | SRI | 2013-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1328 | 1.00 | 3 | 0.23 | 30 | 6.90 | |
|  Wimalarathna, A K I Deshan | | | 1482 | SRI | 1.00 | 1 | 0.71 | 30 | 21.30 | |  Hasanthaka, Nimasha Chamira | | | 1542 | SRI | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Punchihewa, Kokila Prageeth | | | 1519 | SRI | 0.00 | 1 | -0.25 | 30 | -7.50 | |
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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