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Individual Calculations November 2022 |
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| Rathnayaka, Minaga Yethmin Total change: -57.20 | |   |
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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 |
| 1076 | 1346 | 1.00 | 2 | -0.64 | 40 | -25.60 | |
|  Tharanga, R A R | | | 1021 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Maitipe, M T Anuja Nadun | | | 1131 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | |
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 |
| 1145 | 1346 | 3.00 | 5 | -0.79 | 40 | -31.60 | |
| | Viranya, A R M V | | | 1124 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Perera, Prabodha Sathsara | | | 1129 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Perera, H A Lisanda Vinsith | | | 1197 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Jeyaram, Senthilkumar | | | 1115 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Nanayakkara, Sanuk | | | 1162 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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