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Individual Calculations February 2023 |
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| Rathnagoda, R B Sadew Denuwan Total change: 8.80 | |   |
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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1127 | 0.50 | 4 | 0.22 | 40 | 8.80 | |
|  Amarasinghe, A A C B | c | | 1908 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Karunarathne, K M H B | | | 1610 | SRI | 0.50 | 1 | 0.45 | 40 | 18.00 | |  Askey, Roshell Nathasha | | | 1519 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wickramasinghe, V W A Vinuda Vidm | | | 1422 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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