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Individual Calculations September 2017 |
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| Gunawardena, I M T S Total change: -31.20 | |   |
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| Sri Lanka Open International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1123 | 0.00 | 2 | -0.78 | 40 | -31.20 | |
|  Jayasena, Tharaka Udayanga | | | 1360 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Jayasundara, A W Lewlin | | | 1066 | SRI | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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