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Individual Calculations January 2018 |
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| Jayasundara, A W Lewlin Total change: 4.00 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1216 | 1060 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
|  Jayamaha, J M L R Bandara | | | 1098 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | |  Bandara, W L L L M M Nethmi | | | 1282 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Ekanayake, N N B | | | 1269 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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