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Individual Calculations February 2023 |
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| Rathnanjali, M A Thakshala Total change: -26.40 | |   |
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| Asia Schools CC 2022- U 15 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1130 | 2.50 | 8 | -0.43 | 40 | -17.20 | |
|  Dharmasena, W M S S B | | | 1379 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Herath, H M J R | | | 1278 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Nishan, Sathiyendran | | | 1227 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Gunawardena, E R Thyagi | | | 1159 | SRI | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Edirisinghe, Senudi Thinalee | | | 1135 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Abiru, K A Aken | | | 1309 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Viranya, A R M V | | | 1146 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Devaraja, Dahamsa Punsadi | | | 1228 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1130 | 0.00 | 2 | -0.23 | 40 | -9.20 | |
| | Thilakarathne, Adeesha Dinal | | | 1387 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Alwala, A D Hansaja Ramith | | | 1591 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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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