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Individual Calculations September 2015 |
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| Wijesekara, Himaya Total change: -27.20 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1190 | 0.00 | 4 | -0.68 | 40 | -27.20 | |
|  Peiris, H Pevinya | | | 1590 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Withanage, Lakindu | | | 1476 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Kodikara, K K M Sachintha | | wc | 1439 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Wijesuriya, G P Y | | | 1384 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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