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Individual Calculations February 2023 |
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| Wijesinghe, Yonal Total change: 4.40 | |   |
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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 |
| 1469 | 1135 | 0.50 | 3 | 0.11 | 40 | 4.40 | |
|  Weerakoon, R K B | | | 1559 | SRI | 0.50 | 1 | 0.43 | 40 | 17.20 | |  Sanjeewa, Krishan | | | 1495 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | |
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