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Individual Calculations September 2015 |
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| Nirmalarajah, S Total change: -5.60 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1550 | 5.50 | 9 | -0.28 | 20 | -5.60 | |
|  Jayathissa, Pehesara | | | 1150 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wijekoon, Chandana | c | | 1950 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Epa, W Buthmi J | | | 1190 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Devnaka, Chamin | | | 1178 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Jayatissa, Chanuth Devnaka | | | 1211 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Wijerathne, Amandi Ishitha | | | 1190 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lakshan, G Dilina Udeepa | | | 1292 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Madusanka, L D P | | | 1740 | SRI | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Liyanapathirana, Pasan Vindula | | | 1877 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | * 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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