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Individual Calculations January 2012 |
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| Walisundara, W M U Total change: -12.30 | |   |
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| 3rd Ethugalpura Chess Challenge | Kurunegala | SRI | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1804 | 2.00 | 4 | -0.41 | 30 | -12.30 | |
|  Malhara, W A Hansana | | | 1474 | SRI | 1.00 | 1 | 0.12 | 30 | 3.60 | | | Ediriweera, Shakthi | | | 1863 | SRI | 0.50 | 1 | 0.08 | 30 | 2.40 | |  Koggala, W S V K | | | 2022 | SRI | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Jayaweera, K P C D B | | | 1450 | SRI | 0.50 | 1 | -0.39 | 30 | -11.70 | |
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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