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Individual Calculations June 2018 |
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| Koggala, W S Vidura K Total change: -17.60 | |   |
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| Sri Lanka National Chess Championship 2018 | Colombo | SRI | 2018-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2015 | 5.50 | 13 | -0.88 | 20 | -17.60 | |
|  Jayawardana, Lasal | | | 1909 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Wijekoon, Chandana | c | | 1943 | SRI | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Alahakoon, Isuru | | | 2102 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Priyankara, Chamil | | | 2017 | SRI | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Kavinda, Akila | | | 2050 | SRI | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Jayaweera, C L | | | 1787 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Dissanayake, R K T | | | 1859 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Liyanage, Ranindu Dilshan | c | | 2003 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Doluweera, Minul Sanjula | f | | 2254 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Danushka, M A N | | | 1883 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Thilakarathne, G M H | c | | 2186 | SRI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Piyumantha, M Sasith Nipun | f | | 2219 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Peiris, T G M | | | 2091 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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