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Individual Calculations November 2022 |
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| Perera, Thisara Randinu Total change: 65.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1032 | 1.00 | 3 | 0.64 | 40 | 25.60 | |
|  Sumanathilake, Yonal | | | 1392 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Liyanage, Pesandu Rashmitha | | | 1824 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Perera, G Thinuka Geethula | | | 1220 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1032 | 1.50 | 4 | 1.00 | 40 | 40.00 | |
| | Sivathanujan, S | | | 1747 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Deraniyagala, Vimukthi Prathap | | | 1248 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Balendran, Misothan | | | 1349 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Sanuda, Rehan | | | 1345 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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