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Individual Calculations February 2023 |
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| Chandrasiri, L S D Total change: 5.60 | |   |
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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 |
| 1279 | 1200 | 1.50 | 5 | -0.54 | 40 | -21.60 | |
|  Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Senevirathne, D C B K | | | 1374 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Perera, M C Anjalo | | | 1078 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Edirisinghe, H B B | | | 1048 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Abeysinghe, H M H Janandani | | | 1490 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1200 | 2.50 | 5 | 0.68 | 40 | 27.20 | |
| | Kulathilake, S M M P | | | 1461 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Dissanayaka, D A K N R | | | 1036 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Priyanath, W D Tharaka | | | 1489 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Gihanga, M L | | | 1086 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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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