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Individual Calculations March 2011 |
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| Koggala, W S T D Total change: -0.75 | |   |
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| Sri Lanka Junior National Girls Chess Championship 2010 | Colombo | SRI | 2011-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1699 | 2.50 | 4 | -0.03 | 25 | -0.75 | |
|  Premasiri, Vimasha | | | 1398 | SRI | 1.00 | 1 | 0.15 | 25 | 3.75 | |  Karunarathna, A G S K | | | 1514 | SRI | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Basnayake, I U | | | 1794 | SRI | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Sathya, S Promodhi | | | 1650 | SRI | 0.50 | 1 | -0.07 | 25 | -1.75 | |
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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