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Individual Calculations January 2018 |
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| Waranga, M G Yasasmi Total change: 50.40 | |   |
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| Sri Lanka Inter Club Women's Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1362 | 2.50 | 4 | 0.65 | 40 | 26.00 | |
|  De Costa, Thanuri | | | 1482 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | |  Alahakoon, Sewmini Sathsarani | | | 1033 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Tharushi, T H D Niklesha | | wc | 1557 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Weerasinghe, Diyoni S K | | | 1446 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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) | | | | 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1362 | 5.00 | 7 | 0.61 | 40 | 24.40 | |
| | Yapabandara, Y | | | 1145 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Jayaweera, K P C D B | | | 1568 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Omanthage, D S | | | 1108 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Withana, Vidun Manmitha | | | 1124 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Gunathilake, H B N D | | | 1560 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Bandara, W M Malitha | | | 1142 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Thiruselvam, Tharun | | | 1182 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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