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Individual Calculations February 2019 |
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| Rathnayaka, Minaga Yethmin Total change: 25.60 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1073 | 1.50 | 4 | 0.78 | 40 | 31.20 | |
|  Sathmina, S L Lalindu | | | 1443 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Panthaka, W J N Malindu | | | 1240 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Alwis, B H A Rasidu | | | 1294 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Senevirathne, S D B K | | | 1406 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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 |
| 1357 | 1060 | 0.50 | 4 | -0.14 | 40 | -5.60 | |
| | Priyanath, W D Tharaka | | | 1460 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alwela, Senuja Thimeth | | | 1400 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Himsara, W A Janidu | | | 1242 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Dilanya, W V Nethmi | | | 1325 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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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