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Individual Calculations August 2023 |
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| Karunarathne, D D W Gamini Total change: -20.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1137 | 1237 | 1.50 | 4 | -1.01 | 20 | -20.20 | |
|  Karunarathna, D D C Adithya Kum | | | 1033 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | |  Sahasra, A P Sasindu | | | 1495 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Akshath, N Shree | | | 1018 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Senanayake, Sekitha Rasula | | | 1003 | SRI | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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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