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Individual Calculations January 2018 |
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| Atulugamage, Saniru Lohan Total change: -27.20 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1023 | 1158 | 0.00 | 1 | -0.68 | 40 | -27.20 | |
|  Perera, Isara Ranmeth | | | 1023 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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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