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Individual Calculations February 2020 |
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| Liyanage, K G Total change: 24.80 | |   |
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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 |
| 1414 | 1095 | 0.00 | 3 | -0.41 | 40 | -16.40 | |
|  Thenuka, Kuruwita Gamalathge Kin | | | 1495 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Dissanayake, Praveen Manodya | | | 1348 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Abeysinghe, S M A M | | | 1400 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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) | | | | Battle of the Kings - All Island Schools Team Chess Championship 2020 | Colombo | SRI | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1087 | 2.00 | 2 | 1.03 | 40 | 41.20 | |
| | Wimalagunasekara, D Nithwara | | | 1076 | SRI | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Dissanayake, E M T N | | | 1120 | SRI | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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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