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Individual Calculations January 2018 |
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| Wiratunga, Ishan Total change: 19.80 | |   |
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| Sri Lanka Inter Club B Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1705 | 4.00 | 5 | 0.99 | 20 | 19.80 | |
|  Samarasooriya, Asiri Kasunjith | | | 1469 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Sandamith, W M | | | 1777 | SRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Ariyaratne, H B I | | | 1517 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Obeysekara, T A Sajith Chathuran | | | 1645 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Senavin, Dunura | | | 1714 | SRI | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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