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Individual Calculations February 2019 |
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| Piyarthne, Movindu Lushan Total change: 8.40 | |   |
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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 |
| 1187 | 1154 | 3.00 | 6 | 0.21 | 40 | 8.40 | |
|  Gamage, Mesanda | | | 1322 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Fonseka, K W S Deneth | | | 1016 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Morais, Sanithu Leander Pamudith | | | 1417 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Dissanayake, E M T N | | | 1007 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Rajasinghe, T S Thewnuja | | | 1036 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Liyanage, Manith Dulwan | | | 1323 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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) | | |
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