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Individual Calculations January 2020 |
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| Weragoda, W A S Niwanthaka Total change: -18.00 | |   |
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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 |
| 1353 | 1044 | 0.00 | 3 | -0.45 | 40 | -18.00 | |
|  Dipsara, K M Dumal Kavish | | | 1436 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gunarathne, Senila Amaneth | c | | 1398 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Gunawardana, Indrakeela K D Udde | | | 1225 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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