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Individual Calculations February 2023 |
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| Marasinghe, Kasunka Total change: 4.80 | |   |
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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 |
| 1277 | 1207 | 3.00 | 6 | 0.12 | 40 | 4.80 | |
|  Chethaka, D G Ovindu | | | 1033 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Gamage, Ovin Vidmal | | | 1558 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Rathnayaka, D R M R S | | | 1033 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Siriwimala , Sanula Vihas | | | 1143 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Dharmawansa, S S | | | 1045 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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