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Individual Calculations May 2012 |
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| Chandula, Eds Total change: 81.60 | |   |
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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 |
| 1785 | 1583 | 3.00 | 5 | 1.67 | 30 | 50.10 | |
|  Priyankara, Chamil | | | 1926 | SRI | 1.00 | 1 | 0.88 | 30 | 26.40 | |  Fernando, J M M P | | | 1853 | SRI | 0.50 | 1 | 0.33 | 30 | 9.90 | | | Gunasinghe, W A T S | | | 1909 | SRI | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Uyanhewage, T K | | | 1735 | SRI | 0.50 | 1 | 0.20 | 30 | 6.00 | | | Wijerathne, Surath | | | 1501 | SRI | 1.00 | 1 | 0.39 | 30 | 11.70 | |
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 16 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1579 | 2.50 | 5 | 1.05 | 30 | 31.50 | |
| | Munasinghe, D G S D | | | 1800 | SRI | 1.00 | 1 | 0.78 | 30 | 23.40 | | | Ariyawansa, K A P M | | | 1873 | SRI | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Kumara, M H N | | | 1689 | SRI | 0.50 | 1 | 0.15 | 30 | 4.50 | | | Wickramasinghe, Senal | | | 1715 | SRI | 0.50 | 1 | 0.18 | 30 | 5.40 | | | Kulupana, P M | | | 1646 | SRI | 0.50 | 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) | | |
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