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Individual Calculations January 2020 |
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| Anattapathirana, Pamith Kithmin Total change: 17.20 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1150 | 1.00 | 3 | 0.43 | 40 | 17.20 | |
|  Arthigan, J | | | 1389 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Sanudula, K M Dahamdi | | wc | 1464 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Marapana, Sanupa Bimsath | | | 1362 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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