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Individual Calculations August 2023 |
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| Weerakoon, D D P Total change: -39.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1649 | 2.50 | 5 | -1.96 | 20 | -39.20 | |
|  Jayaweera, Risali Lohasna | | | 1249 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kaumina, M Yashika | | | 1278 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Wimalasiri, Ransith Pabalu | | | 1373 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Gunarathne, Senila Amaneth | c | | 1331 | SRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Nawanjana, R A Thaweesha | | | 1201 | SRI | 0.00 | 1 | -0.94 | 20 | -18.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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