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Individual Calculations May 2012 |
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| Ratnayake, Nadeesh Sahan Total change: -24.60 | |   |
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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 |
| 1812 | 1484 | 0.00 | 2 | -0.27 | 30 | -8.10 | |
|  Doluweera, Dinul Thisura | | | 1748 | SRI | 0.00 | 1 | -0.18 | 30 | -5.40 | |  Ediriweera, Shakthi | | | 1875 | SRI | 0.00 | 1 | -0.09 | 30 | -2.70 | |
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 14 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1503 | 1.00 | 3 | -0.55 | 30 | -16.50 | |
| | Madushanka, H G D | | | 1457 | SRI | 1.00 | 1 | 0.44 | 30 | 13.20 | | | Naotunna, Dineth Nimnaka | | | 1647 | SRI | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Weerasinghe, Kavindu Nirmana | | | 1369 | SRI | 0.00 | 1 | -0.68 | 30 | -20.40 | |
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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