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Individual Calculations April 2019 |
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| Sanudula, K M Dahamdi Total change: -8.00 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1329 | 1.00 | 1 | 0.44 | 40 | 17.60 | |
|  Jaysenthuliyane, Vinumi Vidara | | | 1289 | SRI | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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) | | | | Sri Lanka Women's National Qualifying Chess Championships 2019 - Colombo | Colombo | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1200 | 1333 | 2.00 | 4 | -0.64 | 40 | -25.60 | |
| | Gamage, B K Sayumi Hasithma | | | 1032 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | |  Akuratiya, A G Javindi Avarjana | | | 1123 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Gimhani, H. Shashipraba | | | 1523 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Gamage, Desandhi Dhihansa | | | 1122 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | |
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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