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Individual Calculations February 2023 |
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| Heenatigala, Nilusha Dewwan Total change: -32.00 | |   |
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| Colombo District Youth Chess Championships 2023 - Under 18 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1274 | 1052 | 0.00 | 3 | -0.80 | 40 | -32.00 | |
|  Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Siriwardene, R B Bihandu Janandit | | | 1028 | SRI | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Kodithuwakku, K A Chathura Basuru | | | 1277 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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