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Individual Calculations November 2022 |
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| Perera, K C D Total change: -4.80 | |   |
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| Sri Lanka Junior National Chess Championship 2022 | Kandy | SRI | 2022-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1173 | 0.00 | 2 | -0.37 | 40 | -14.80 | |
|  Hewage, Dinupa Adithya | | | 1422 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Amarathunga, Kosala Sandeepa Cham | | | 1434 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1173 | 1.00 | 4 | 0.25 | 40 | 10.00 | |
|  Chandrasiri, P K | | | 1420 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Rathnayake, R M Dulinma Hemalni | | | 1405 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ranasinghe, R A Malindu Bhathiya | | | 1460 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Hewage, Dinupa Adithya | | | 1422 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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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