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Individual Calculations February 2019 |
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| Gamage, M Nuwanthi Silva Total change: -2.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1061 | 1229 | 2.00 | 3 | -0.15 | 40 | -6.00 | |
|  Minsadi, S K Nimna | | | 1004 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | |  Kumarasinghe, Minuli | | | 1084 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Fernando, H Methushi Amaya | | | 1096 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1229 | 2.00 | 5 | 0.08 | 40 | 3.20 | |
| | Samaranayake, K P R N | | | 1629 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, D A Thavinsa Archani | | | 1108 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Bopage, N B Ravindu Parindiya | | | 1048 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Welivitigoda, S K | | | 1430 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Abhimanyu, Iraja | | | 1471 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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