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Individual Calculations March 2015 |
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| Perera, L Lithmal Wansika Total change: 82.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1444 | 3.00 | 6 | 1.42 | 40 | 56.80 | |
|  Wickramasinghe, Dilhara Ishini | | wf | 1686 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Liyanapathirana, Pasan Vindula | | | 1829 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Senanayaka, P D | | | 1844 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Epa, W Buthmi J | | | 1140 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Theekshana, H G Denuwan | | | 1686 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Karunarathna, Chathupa Induwara | | | 1744 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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 Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1505 | 4.50 | 8 | 0.65 | 40 | 26.00 | |
| | Goonatillake, Ranindu | | | 1142 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Theekshana, H G Denuwan | | | 1704 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Piyathilake, K D D H | | | 1307 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ekanayake, A M B | | | 1747 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Fernando, M Tharusha Randima | | | 1275 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Gunaratne, Mojitha Sathsara | c | | 1905 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | De Moraes, Shamin | | | 1821 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Subasinghe, Disal | | | 1312 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | |
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