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Individual Calculations January 2020 |
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| Suranga, A M Sasika Total change: -10.80 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1085 | 0.50 | 3 | -0.27 | 40 | -10.80 | |
|  Dassanayake, W N | | | 1286 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Dissanayake, Sasandu Upeksha | | | 1287 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Gunathilake, M D Vinuda Shenal | | | 1244 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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