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Individual Calculations December 2015 |
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| Lamahewa, C Total change: -10.40 | |   |
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| Sri Lanka Inter Club Super League 2015 | Colombo | SRI | 2015-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1860 | 1.50 | 6 | -1.18 | 20 | -23.60 | |
|  Kalugampitiya, R S | | | 2116 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Athukorala, P M A B | | | 2007 | SRI | 0.00 | 1 | -0.30 | 20 | -6.00 | | | De Silva, Osheen | | | 1881 | SRI | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Mendis, W G Chinthaka | | | 1883 | SRI | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Farshan, H M | | | 1734 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Perera, Jayashanka | | | 1805 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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 Grand Prix Chess Championship 2015 | Colombo | SRI | 2015-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1860 | 4.50 | 8 | 0.66 | 20 | 13.20 | |
| | De Silva, Osheen | | | 1881 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Jayasundara, P K U M | c | | 1958 | SRI | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Silva, Dineth Sunera | | | 1860 | SRI | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Ranasinghe, S D | | wm | 1774 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Senanayaka, P D | | | 1769 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2100 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Randil, Lakshitha | | | 1886 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Lasitha, Subash | c | | 1788 | SRI | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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