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Individual Calculations February 2020 |
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| De Alwis, K K Y M Total change: -20.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1137 | 1.00 | 4 | -0.50 | 40 | -20.00 | |
|  Marapana, Sanupa Bimsath | | | 1362 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Dissanayake, Sasandu Upeksha | | | 1287 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Chandes, K Yasindu | | | 1286 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Vithanage, P N | | | 1006 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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