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Individual Calculations November 2022 |
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| Abeysekera, Bises Oneja Total change: 18.80 | |   |
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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 |
| 1283 | 1096 | 1.50 | 4 | 0.47 | 40 | 18.80 | |
|  Kodithuwakku, K A Chathura Basuru | | | 1257 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Punchihewa, Hasith Thevindu | | | 1269 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Dissanayake, D M Madushan Sameera | | | 1332 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Hettiarachchi, Jeewantha Aloka | | | 1272 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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