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Individual Calculations February 2020 |
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| Siyambalapitiya, S V D S Total change: -42.40 | |   |
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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 |
| 1080 | 1242 | 2.50 | 5 | -1.06 | 40 | -42.40 | |
|  Jayaweera, Vihini Sahansa | | | 1098 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | |  Methsiluni, Nimethma U J | | | 1096 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Wimalasiri, Y G Chenara Kavinthi | | | 1047 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Gamage, P G Dilni Thiranya | | | 1036 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Dissanayake, D A Thavinsa Archani | | | 1123 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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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