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Individual Calculations November 2022 |
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| Devaraja, Dahamsa Punsadi Total change: 12.40 | |   |
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| Sri Lanka Junior Girls National Chess Championship 2022 | Kandy | SRI | 2022-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1221 | 1126 | 2.50 | 4 | 0.96 | 40 | 38.40 | |
|  Sithumsa, H G Sasmi | | | 1079 | SRI | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Gunawardhana, Devindya Oshini | | | 1425 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Mendis, Imethra | | | 1166 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Vithana, Minethma Devindi | | | 1212 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | Sri Lanka National Wome's Amateur Chess Championship 2022 | Colombo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1126 | 0.00 | 1 | -0.07 | 40 | -2.80 | |
| | Pallie, Ehsha Mishela | | wc | 1552 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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 |
| 1377 | 1126 | 0.00 | 3 | -0.58 | 40 | -23.20 | |
| | Sumanathilake, Yonal | | | 1392 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1391 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rohana, V T Malitha | | | 1347 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | |
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