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Individual Calculations May 2011 |
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| Jayasundara, P K U M Total change: 41.40 | |   |
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| Sri Lanka Open International Rating Tournament 2011 | Colombo | SRI | 2011-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 1951 | 5.50 | 8 | 2.82 | 15 | 42.30 | |
|  Thilakawardana, Supeshala | | wf | 1767 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Anuruddha, G C | | | 2141 | SRI | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Krishna, C R G | | | 2313 | IND | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Rajapakse, R M C M | | | 2171 | SRI | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Kalugampitiya, R S | | | 2132 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Vishnu, Prasanna V | m | | 2351 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Senanayake, P R | | wf | 1847 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Bhagya, Viman | | | 2030 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | * 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) | | | | Sri Lanka National Youth Under 16 Chess Championship 2011 | Colombo | SRI | 2011-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1951 | 4.00 | 6 | -0.06 | 15 | -0.90 | |
| | Kodagoda, C S | | | 1678 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Lamahewa, C | | | 1867 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Premachandra, G T D | | | 1916 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Munasinghe, Lahiru | | | 1917 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Kumara, C M S P | | | 1829 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Seneviratne, Shehan Kanishka | | | 1663 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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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