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Individual Calculations August 2023 |
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| Akuratiya, A G Hansadie Aradhya Total change: -40.80 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1434 | 1212 | 0.00 | 2 | -0.44 | 40 | -17.60 | |
|  Manuwaruna, Sethun Neththaru | | | 1427 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Thennakoon, Disara | | | 1441 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Sri Lanka National Team Chess Championship 2023 - Women | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1165 | 1223 | 0.00 | 1 | -0.58 | 40 | -23.20 | |
| | Wijesekara, Dinuka Sewmini | | | 1165 | SRI | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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) | | |
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