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Individual Calculations February 2018 |
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| Gunasinghe, K D A N Total change: 3.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1198 | 1180 | 3.00 | 6 | 0.08 | 40 | 3.20 | |
|  De Silva, L H L Manuja Lakshitha | | | 1045 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |  Raaid, J D M | | | 1041 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Piyumantha, M Thisal Manjith | | | 1514 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Fonseka, G Sadinu Kowsika | | | 1049 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Weerasinghe, Isum | | | 1289 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Lansakara, B M | | | 1250 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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