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Individual Calculations June 2023 |
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| Karunasena, H G M K Saheli Onaya Total change: 29.20 | |   |
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| Sri Lanka National Youth Chess Championship 2023 - Under 14Yrs Girls | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1122 | 1.50 | 3 | 0.81 | 40 | 32.40 | |
|  Rathnayake, R M Dulinma Hemalni | | | 1398 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Mendis, Imethra | | | 1384 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Dasanya, K K Hansali | | | 1236 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1122 | 0.00 | 2 | -0.08 | 40 | -3.20 | |
| | Newansa, M Esandi | | | 1537 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Amarasinghe, A A C B | c | | 1843 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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) | | |
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