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Individual Calculations December 2017 |
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| Ahangama, Senuka Aswin Total change: 5.20 | |   |
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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 |
| 1260 | 1034 | 1.00 | 4 | 0.13 | 40 | 5.20 | |
|  Bentharaarachchi, Vinuga Ometh | | | 1316 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Devnaka, Chamin | | | 1244 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Nethmina, S A Indura | | | 1279 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Hewawasam, H Y Thisaga Manvidu | | | 1202 | 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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