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Individual Calculations February 2023 |
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| Aluvihare, Samadi Total change: -14.00 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1064 | 1276 | 1.50 | 2 | -0.04 | 40 | -1.60 | |
|  Kothalawala, Ramath Hansaka | | | 1095 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | |  Nethdinu, Ruben Hiruja | | | 1032 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | Sri Lanka Inter University Chess Championship 2022 - Women | Colombo | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1276 | 0.00 | 1 | -0.31 | 40 | -12.40 | |
| | Samarasinghe, Wayuni Vinara | | | 1415 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | |
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