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Individual Calculations January 2020 |
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| Godagampala, G D Minuja Hansana Total change: 5.20 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1163 | 1.00 | 2 | 0.13 | 40 | 5.20 | |
|  Gunathilaka, G A Z W | | | 1005 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Kalansooriya, K S K | | | 1445 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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