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Individual Calculations February 2019 |
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| Withana, Vidun Manmitha Total change: -10.80 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1205 | 2.50 | 6 | -0.12 | 40 | -4.80 | |
|  Nethmina, S A Indura | | | 1536 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Saravanabaavan, Yughatharoon | | | 1042 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Thalduwaarachchi, T A N B | | | 1086 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Nanayakkara, P N J | | | 1325 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Rupasinghe, S S S | | | 1110 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Abeysinghe, S M A M | | | 1503 | 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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1205 | 0.00 | 1 | -0.15 | 40 | -6.00 | |
| | Morais, Sanithu Leander Pamudith | | | 1507 | 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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