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Individual Calculations March 2015 |
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| Sathma, Devni Total change: -56.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1419 | 3.00 | 6 | -1.19 | 40 | -47.60 | |
|  Kalhara, W A Harindu | | | 1029 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Pavalachandran, Ashvini | | | 1165 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Amarasinghe, A A C B | | | 1819 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerasinghe, Dakshaka | | | 1207 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Hewawasam, Nevanjee Dimanya | | | 1083 | SRI | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Yatawaka, U Sirinama | | | 1236 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | * 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) | | | | Women's Qualifying 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1419 | 4.00 | 7 | -0.23 | 40 | -9.20 | |
| | Karunarathna, Thilini Savindya | | | 1153 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Athukorala, Shavindi Uddeepana | | | 1264 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Senarath, B T A Y | | | 1397 | SRI | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Hewageegana, Himaya | | | 1265 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Tharushi, T H D Niklesha | | | 1584 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Abeywardana, Hasandi Yapa | | | 1235 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Bandara, R M Nisakya | | | 1462 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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