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Individual Calculations May 2012 |
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| Doluweera, Dinul Thisura Total change: 21.15 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Colombo | Colombo | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1748 | 2.50 | 4 | -0.21 | 15 | -3.15 | |
|  Ratnayake, Nadeesh Sahan | | | 1484 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Siriwardana, Sheranga | | | 1514 | SRI | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Fernando, J M M P | | | 1853 | SRI | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Methmini, Nelunika | | | 1560 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1748 | 5.00 | 7 | 1.62 | 15 | 24.30 | |
| | Rangamuwa, W L B | | | 1457 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Kulupana, P M | | | 1646 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Kulasekara, Kashapa D M T | | | 1866 | SRI | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Premachandra, G T D | | | 1964 | SRI | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Wickramasinghe, Senal | | | 1715 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Ariyawansa, K A P M | | | 1873 | SRI | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Sandamith, W M | | | 1781 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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