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Individual Calculations January 2019 |
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| Ranasinghe , R A Supul Deemantha Total change: 19.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1015 | 1.50 | 6 | 0.48 | 40 | 19.20 | |
|  Maheeshan, Gayan | | | 1375 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Anver, Ali | | | 1242 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Perera, S D Tharindu | | | 1273 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Welangalle, Pesala Dulkith | | | 1331 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Perera, Isara Ranmeth | | | 1229 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Deraniyagala, Vimukthi Prathap | | | 1293 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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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