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Individual Calculations February 2019 |
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| Asuramanna, Mevindu Hansana Total change: 18.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1149 | 1143 | 2.50 | 6 | -0.49 | 40 | -19.60 | |
|  Nawanjana, R A Thaweesha | | | 1069 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Alwela, Senuja Thimeth | | | 1400 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ranaweera, Y H Janindu Ransika | | | 1048 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Fonseka, K W S Deneth | | | 1016 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Dissanayake, E M T N | | | 1007 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Hewage, Dinupa Adithya | | | 1354 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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 |
| 1326 | 1183 | 3.00 | 6 | 0.96 | 40 | 38.40 | |
| | Thenuwara, Rashmika | | | 1502 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jayawardana, Chenuka Nethvidu | | | 1518 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Rupasinghe, R A L P | | | 1459 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Karunarathna, Nuthara Dulandee | | | 1002 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Bandara, K A Thinura | | | 1045 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Welivitigoda, S K | | | 1430 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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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