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Individual Calculations September 2017 |
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| Dharmasena, S B T V Total change: 12.40 | |   |
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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 |
| 1567 | 1196 | 0.50 | 2 | 0.31 | 40 | 12.40 | |
|  Subasinghe, D D C H | | | 1576 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Madushanka, W H Harsha | | | 1557 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |
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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