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Individual Calculations January 2018 |
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| Rikas, A H M Rifky Total change: 0.80 | |   |
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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 |
| 1302 | 1101 | 1.00 | 4 | 0.02 | 40 | 0.80 | |
|  Gunarathne, Senila Amaneth | c | | 1335 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Basnayake, B M Thesandu Aken | | | 1356 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Thenuwara, Rashmika | | | 1275 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ushan, Lochana | | | 1243 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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