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Individual Calculations May 2019 |
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| Cooray, B S M T Total change: -2.60 | |   |
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| Sri Lanka Women's National Qualifying Chess Championship 2019 - Galle | Galle | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1243 | 1272 | 2.00 | 4 | -0.13 | 20 | -2.60 | |
|  Waduge, S S A | | | 1003 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Waranga, M G Yasasmi | | | 1454 | SRI | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Wickramasinghe, Minethma Lasandi | | wc | 1384 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Wickramarathne, P W G Gaveshi | | | 1131 | SRI | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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) | | |
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