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Individual Calculations November 2022 |
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| Wickramaarachchi, Nayanaka Insara Total change: 60.40 | |   |
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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 |
| 1439 | 1238 | 1.50 | 5 | -0.07 | 40 | -2.80 | |
|  Kaluarachchi, Achinthya Shamen | | | 1916 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Yapa, D G Sanjeewa Madushan | | | 1456 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Dissanayaka, M A P Mihiranga | | | 1404 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Basnayake, B M Thesandu Aken | | | 1392 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Gunathilaka, Kavinu Sanul | | | 1027 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1522 | 1238 | 2.50 | 5 | 1.58 | 40 | 63.20 | |
| | Thenuka, Kuruwita Gamalathge Kin | | | 1681 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Jayaweera, Sayuni Gihansa | | wc | 1678 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Askey, Raveen Nimesh | | | 1433 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Gunaweera, Geenuka Kavinu | | | 1412 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Rathnayake, R M Dulinma Hemalni | | | 1405 | SRI | 0.50 | 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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