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Individual Calculations November 2022 |
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| Tharanga, R A R Total change: -1.40 | |   |
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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 |
| 1297 | 1021 | 0.00 | 3 | -0.51 | 20 | -10.20 | |
|  Insara, S D Nadev | | | 1308 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Rathnayaka, Minaga Yethmin | | | 1346 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Francis, U M Senal Vishmin | | | 1237 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1278 | 1021 | 1.00 | 3 | 0.44 | 20 | 8.80 | |
| | Ranganath, Tharuli Vihasna | | | 1341 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Senevirathne, D C B K | | | 1281 | SRI | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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