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Individual Calculations December 2017 |
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| Indusara, M G Janitha Total change: 12.40 | |   |
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| Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1474 | 1421 | 2.50 | 5 | 0.31 | 40 | 12.40 | |
|  Thenuka, Kuruwita Gamalathge Kin | | | 1621 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Perera, D Upashan L | | | 1567 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Hewawasam, H Y Thisaga Manvidu | | | 1202 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Devnaka, Chamin | | | 1244 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Jayaweera, C L | | | 1735 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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