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Individual Calculations May 2017 |
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| Herath, H M R M K Total change: 9.60 | |   |
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| Sri Lanka Women's Qualifying Championship 2017 - Kurunegala | Kurunegala | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1578 | 3.00 | 4 | 0.17 | 40 | 6.80 | |
|  Gunawardena, I M T S | | wc | 1178 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Herath, H M M D | | | 1178 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Vithanage, Sandaruwi M | | | 1588 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Koggala, W S T D | | | 1575 | SRI | 0.50 | 1 | 0.00 | 40 | 0.00 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1578 | 6.00 | 8 | 0.07 | 40 | 2.80 | |
| | Oshadhee, M Sapna | | | 1178 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Silva, Hiruni Kasundi K | | | 1184 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liyanage , B K D | | | 1393 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Udagedara, Sandali Kanishka | | | 1466 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Yapa Bandara, Chamodya | | | 1614 | SRI | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Herath, Uthpala Shanika | | | 1324 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Sirimewan, K Hasareli | | | 1396 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Senarath, B T A Y | | | 1427 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | * 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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