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Individual Calculations December 2015 |
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| Galappaththi, Chinthaka Anuruddh Total change: -5.40 | |   |
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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 |
| 1887 | 2100 | 5.50 | 7 | 0.18 | 20 | 3.60 | |
|  De Silva, Osheen | | | 1881 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Saranga, N C O | | | 2001 | SRI | 0.50 | 1 | -0.14 | 20 | -2.80 | |  Farshan, H M | | | 1734 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Perera, Jayashanka | | | 1805 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Athukorala, P M A B | | | 2007 | SRI | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Jayasundara, P K U M | c | | 1958 | SRI | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Doluweera, Dinul Thisura | c | | 1822 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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) | | | | Sri Lanka Grand Prix Chess Championship 2015 | Colombo | SRI | 2015-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 2100 | 6.00 | 8 | -0.45 | 20 | -9.00 | |
| | Lasitha, Subash | c | | 1788 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | De Silva, Osheen | | | 1881 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Jayasundara, P K U M | c | | 1958 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Silva, Dineth Sunera | | | 1860 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Ranasinghe, S D | | wm | 1774 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Senanayaka, P D | | | 1769 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lamahewa, C | | | 1860 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Randil, Lakshitha | | | 1886 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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