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Individual Calculations February 2023 |
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| Janarthanan, Kethushan Total change: -28.80 | |   |
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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 |
| 1200 | 1256 | 1.00 | 3 | -0.72 | 40 | -28.80 | |
|  Madurawala, M G D S Shamaya | | | 1066 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Dissanayake, D M S L | | | 1456 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Gunasekara, Aritha Chanthula Abes | | | 1079 | SRI | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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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