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Individual Calculations February 2023 |
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| Weerakoon, R K B Total change: -35.80 | |   |
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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 |
| 1202 | 1559 | 3.50 | 6 | -1.79 | 20 | -35.80 | |
|  Wijesinghe, Yonal | | | 1135 | SRI | 0.50 | 1 | -0.43 | 20 | -8.60 | |  Bandara, Lakshika Sathsarani | | | 1159 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Herath, H M Chamuditha Sasen Band | | | 1091 | SRI | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Rajawasala, R U D Janith Dulmina | | | 1161 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mudalige, S M I Umandi | | | 1300 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ramanayake, Nemindi Linaya | | | 1365 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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