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Individual Calculations August 2023 |
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| Perera, G G U Nawathma Total change: -18.40 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1322 | 1017 | 0.00 | 3 | -0.46 | 40 | -18.40 | |
|  Gowsalyan, S | | | 1378 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Anparasan, T | | | 1384 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Siriwardene, R B Bihandu Janandit | | | 1203 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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