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Individual Calculations April 2018 |
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| Rathnayake, M A A H Total change: 12.00 | |   |
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| Sri Lanka National B Chess Championship 2018 | Colombo | SRI | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1899 | 6.00 | 10 | 0.60 | 20 | 12.00 | |
|  Jayasundara, J J M Y Adithya B | | | 1560 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Senanayaka, P D | | | 1738 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Thilakarathne, G M H | c | | 2246 | SRI | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Priyankara, Chamil | | | 2019 | SRI | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Jayaweera, C L | | | 1755 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Wijesinghe, N L C Dojitha | | | 1622 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kandearachchi, Niranga | | | 1988 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Jayawardana, Lasal | | | 1815 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Koggala, W S Vidura K | | | 2016 | SRI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Danushka, M A N | | | 1898 | SRI | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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