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Individual Calculations February 2020 |
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| Wimalasiri, Y G Chenara Kavinthi Total change: 25.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1212 | 1047 | 1.50 | 3 | 0.64 | 40 | 25.60 | |
|  Siyambalapitiya, S V D S | | | 1242 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Edirisinghe, Senudi Thinalee | | | 1253 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Perera, D G D S Vidarsha | | | 1141 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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