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Individual Calculations August 2023 |
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| Jayaweera, Risali Lohasna Total change: -2.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1064 | 0.00 | 2 | -0.06 | 40 | -2.40 | |
|  Weerakoon, D D P | | | 1649 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Abeysinghe, H M H Janandani | | | 1578 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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) | | |
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