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Individual Calculations February 2020 |
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| Ruwantha, S K Ramindu Total change: -9.20 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1017 | 0.50 | 5 | -0.71 | 40 | -28.40 | |
|  Abeysinghe, S M A M | | | 1400 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Weerasinghe, Sethum | | | 1366 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kavisekara, Manula Heshan | | | 1240 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Nilokshan, S G | | | 1091 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Welege , Imantha Lakshan | | | 1097 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1105 | 1017 | 2.00 | 4 | 0.48 | 40 | 19.20 | |
| | Thotagamuwa, Janindu Udantha | | | 1137 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Viduranga, Oshadha | | | 1063 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Fernando, H Gayaru Dulsara | | | 1087 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Senevirathne, U S W | | | 1131 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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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