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Individual Calculations January 2019 |
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| Perera, J A Malinda Total change: 4.40 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1467 | 1142 | 0.50 | 3 | 0.11 | 40 | 4.40 | |
|  Abhimanyu, Iraja | | | 1467 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Pathmasiri, R D Isuru Saranga | | | 1431 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Rajakaruna, R H M I D | | | 1504 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |
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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