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Individual Calculations September 2015 |
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| Jayasundara, P K U M Total change: -20.40 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1975 | 4.50 | 7 | -1.02 | 20 | -20.40 | |
|  Wijesinghe, W A D Sumudu | | | 1575 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kodikara, K K M Sachintha | | wc | 1575 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ellawela, Suveen | | | 1680 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Jayaweera, Y | | | 1575 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madurapperuma, M A D Maheshika L | | | 1575 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pradeep, Kumar R A | | | 2313 | IND | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Ekanayake, A M B | | | 1650 | SRI | 0.00 | 1 | -0.87 | 20 | -17.40 | | | * 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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