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Individual Calculations February 2023 |
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| Rathnayaka, Minaga Yethmin Total change: -42.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1420 | 4.00 | 7 | -1.05 | 40 | -42.00 | |
|  Perera, W Chamoth Chiranda | | | 1045 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Wijesinghe, W A M C | | | 1176 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Bandara, A H M G N | | | 1096 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Somarathne, Subhaga Kushali | | | 1133 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Perera, G Thinuka Geethula | | | 1174 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Lankatilleke, Sathindu Vidujaya | | | 1183 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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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