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Individual Calculations September 2015 |
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| Weerasinghe, Liseni Total change: 16.80 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1386 | 1148 | 1.50 | 5 | 0.42 | 40 | 16.80 | |
|  Siriwardena, Janaka | | | 1548 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wankhade, Sanskruti | | wc | 1350 | IND | 1.00 | 1 | 0.76 | 40 | 30.40 | |  Wijerathne, Surath | | | 1422 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Selvakumar, Thangarajah | | | 1336 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Wickramasinghe, Sonal | | | 1273 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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