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Individual Calculations January 2018 |
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| Weerawardana, Oneli Vihanga Total change: -54.00 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1051 | 1273 | 1.00 | 3 | -1.35 | 40 | -54.00 | |
|  Wilvalaarachchi, Oneli Omaya | | | 1023 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | |  Ekanayaka, P D M L K E | | | 1074 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Tennakoon, T M Rithil Nethmitha | | | 1057 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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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