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Individual Calculations August 2023 |
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| Abhayaratna, Ometh Total change: 21.60 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1178 | 1.00 | 3 | 0.54 | 40 | 21.60 | |
|  Pitigala, Chandra Sudarman S. | | | 1917 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Wickramaarachchi, Nayanaka Insara | | | 1501 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Pathmasiri, R D Isuru Saranga | | | 1304 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | |
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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