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Individual Calculations March 2019 |
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| Jayathilaka, W M Yasas Total change: -5.20 | |   |
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| Colombo International Chess Festival 2019 | Colombo | SRI | 2019-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1241 | 1023 | 1.00 | 5 | -0.13 | 40 | -5.20 | |
|  Weerasinghe, H K P | | | 1341 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gunarathna, Thinula Amadith | | | 1246 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Karunaratne, Rahel Chaanakya | | | 1191 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Punchihewa, Hasith Thevindu | | | 1232 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Weerawardana, Oneli Vihanga | | | 1194 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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