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Individual Calculations September 2018 |
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| Nandika, Ruwan Total change: 28.20 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1551 | 3.50 | 6 | 1.41 | 20 | 28.20 | |
|  Perera, Anjana | | wc | 1824 | SRI | 1.00 | 1 | 0.83 | 20 | 16.60 | |  Fonseka, C K D | | | 1714 | SRI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Sachintha, H G Sahan | | | 1793 | SRI | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Rathgalla, J M C B | | | 1670 | SRI | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Wickramasinghe, N G Namal | | | 1746 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Ranaweera, A A J S | | | 1250 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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