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Individual Calculations September 2015 |
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| Nanayakkara, Janindu Total change: -25.20 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1198 | 0.00 | 3 | -0.63 | 40 | -25.20 | |
|  Sandaruwan, K A Sachintha | | | 1319 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Chandula, E D S | | | 1564 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Abeydeera, Adeesha | | | 1447 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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