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Individual Calculations May 2012 |
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| Dissanayake, D.d.m.r.p.k. Total change: -40.80 | |   |
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| Sri Lanka Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1563 | 1.50 | 4 | -0.75 | 30 | -22.50 | |
|  Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 0.50 | 1 | -0.11 | 30 | -3.30 | |  Wickramasinghe, Dilhara Isini | | | 1646 | SRI | 0.50 | 1 | 0.11 | 30 | 3.30 | | | Jayasundara, H.j.m.r.m. | | | 1494 | SRI | 0.00 | 1 | -0.60 | 30 | -18.00 | | | Mendis, Dasuni Hansika | | | 1455 | SRI | 0.50 | 1 | -0.15 | 30 | -4.50 | |
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 2012 Under 16 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1544 | 1563 | 1.50 | 4 | -0.61 | 30 | -18.30 | |
| | Kumari, S C T | | | 1507 | SRI | 0.50 | 1 | -0.08 | 30 | -2.40 | | | Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 0.50 | 1 | -0.11 | 30 | -3.30 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.01 | 30 | -0.30 | | | Chankamie, M K T | | | 1629 | SRI | 0.00 | 1 | -0.41 | 30 | -12.30 | |
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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