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Individual Calculations February 2019 |
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| Perera, Sehath Sanvidu R A D Total change: 65.20 | |   |
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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 |
| 1291 | 1104 | 3.50 | 7 | 1.63 | 40 | 65.20 | |
|  Sandaruwan, M G Ravindu | | | 1487 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |  Gamarathne, Oneth | | | 1256 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Dissanayake, Sasandu Upeksha | | | 1208 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | De Silva, T Dinura Hemjith | | | 1191 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Liyanage, Manith Dulwan | | | 1323 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Ahangama, Senuka Aswin | | | 1269 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Ranasinghe, R A Senuka Buddhika | | | 1305 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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