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Individual Calculations February 2023 |
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| Wickramasinghe, D P A L Total change: -2.00 | |   |
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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 |
| 1342 | 1086 | 0.50 | 3 | -0.05 | 40 | -2.00 | |
|  Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Wijeratne, Rehan Nawantha | | | 1329 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | |  Wilvalaarachchi, Oneli Omaya | | | 1343 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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