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Individual Calculations August 2023 |
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| Nandasiri, Omiru Total change: -40.80 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1274 | 3.00 | 7 | -1.02 | 40 | -40.80 | |
|  Senanayake, Sekitha Rasula | | | 1003 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Jayasinghe, K A J Hasanidu Anuhas | | | 1007 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | De Silva, Osheen | | | 1689 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Bandara, W M Kenul Thisen | | | 1084 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Samaranayake, Pamok Methdinu | | | 1735 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Sithumsa, H G Sasmi | | | 1121 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Karunarathna, D D C Adithya Kum | | | 1033 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | |
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