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Individual Calculations May 2012 |
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| Karunarathne, K M D B Total change: 28.80 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Kandy | Kandy | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1627 | 2.50 | 4 | 0.87 | 30 | 26.10 | |
|  Alahakoon, Isuru | | | 1937 | SRI | 0.00 | 1 | -0.14 | 30 | -4.20 | |  Kumarasinghe, U U | | | 1369 | SRI | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Wijesundara, Charith | | | 1824 | SRI | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Weerasinghe, W M G L A | | | 1683 | SRI | 1.00 | 1 | 0.58 | 30 | 17.40 | |
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) | | | | National Youth Chess Championship 2012 Under 16 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1627 | 2.50 | 4 | 0.09 | 30 | 2.70 | |
| | Hansaka, W A Melan | | | 1371 | SRI | 1.00 | 1 | 0.19 | 30 | 5.70 | | | Herath, H G Anuja Probodhana | | | 1502 | SRI | 0.50 | 1 | -0.17 | 30 | -5.10 | | | Ranasinghe, P K | | | 1593 | SRI | 1.00 | 1 | 0.45 | 30 | 13.50 | | | Kumara, T G V S H | | | 1717 | SRI | 0.00 | 1 | -0.38 | 30 | -11.40 | |
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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