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Individual Calculations February 2020 |
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| Arthigan, J Total change: -1.20 | |   |
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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 |
| 1381 | 1389 | 3.00 | 6 | -0.03 | 40 | -1.20 | |
|  Mudalige, S M R S | | | 1014 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Piyumantha, M Thisal Manjith | | | 1697 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Hemachandra, D K S Sethmika | | | 1123 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Cooray, T C M Dulein Kavindu | | | 1557 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Dharmakeerthi, G K Pasindu Nims | | | 1666 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Udumullage, Senuja Dilmith | | | 1229 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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