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Individual Calculations July 2015 |
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| De Silva, Elath Mathanga Total change: 23.00 | |   |
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| National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1962 | 7.00 | 10 | 1.15 | 20 | 23.00 | |
|  Nanayakkara, J A G Ganganath | | | 1662 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Samaranayake, K P R N | | | 1806 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Prabajith, Asela | | | 1845 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Edirisinghe, Dulan | | | 2035 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Piyumantha, M Sasith Nipun | f | | 1796 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Madushanka, Harsha | | | 1839 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Thilakarathne, G M S | | | 1890 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2130 | SRI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Thilakarathne, G M H | c | | 1950 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Naotunna, Dineth Nimnaka | | | 2006 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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