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Individual Calculations January 2019 |
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| Manuwarana, Amila Total change: -5.40 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1007 | 0.50 | 4 | -0.27 | 20 | -5.40 | |
|  Sarathchandra, Gihansa M | | | 1319 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Anver, Ali | | | 1242 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Gamage, Yasasmi Umarusiru | | | 1277 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Subaweera, Senuka Sendinu | | | 1203 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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