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Individual Calculations May 2012 |
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| Walisundara, W M U Total change: 2.40 | |   |
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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 |
| 1719 | 1792 | 2.00 | 4 | -0.27 | 30 | -8.10 | |
|  Alahakoon, Isuru | | | 1937 | SRI | 0.00 | 1 | -0.31 | 30 | -9.30 | |  Kumarasinghe, U U | | | 1392 * | SRI | 0.50 | 1 | -0.42 | 30 | -12.60 | | | Karunarathne, K M H B | | | 1599 | SRI | 1.00 | 1 | 0.25 | 30 | 7.50 | | | Lamawansa, Yasas | | | 1946 | SRI | 0.50 | 1 | 0.21 | 30 | 6.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1777 | 1792 | 4.00 | 7 | 0.35 | 30 | 10.50 | |
| | Bandara, A J S D | | | 1794 | SRI | 0.50 | 1 | 0.00 | 30 | 0.00 | | | Weerasinghe, W M G L A | | | 1683 | SRI | 1.00 | 1 | 0.35 | 30 | 10.50 | | | Haputhanthri, H U D B | | | 1717 | SRI | 1.00 | 1 | 0.40 | 30 | 12.00 | | | Kumara, T G V S H | | | 1717 | SRI | 1.00 | 1 | 0.40 | 30 | 12.00 | | | Premachandra, G T D | | | 1964 | SRI | 0.50 | 1 | 0.23 | 30 | 6.90 | | | Kulasekara, Kashapa D M T | | | 1866 | SRI | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Perera, A K N A | | | 1699 | SRI | 0.00 | 1 | -0.63 | 30 | -18.90 | |
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) | | |
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