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Individual Calculations August 2017 |
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| Jayathilaka, R R C L Total change: 37.80 | |   |
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| Sri Lanka National B Chess Championship 2017 | Narahenpita | SRI | 2017-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1601 | 3.50 | 9 | 1.48 | 20 | 29.60 | |
|  Wijekoon, Chandana | c | | 1906 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | |  De Silva, Rasheen | | | 1788 | SRI | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Prabajith, Asela | | | 1843 | SRI | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Peiris, T S S | f | | 1947 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Pallie, Tuan Ehshan | | | 1703 | SRI | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Lamahewa, C | | | 1864 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Aktar, M R | | | 1820 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Ariyawansa, K A P M | | | 1855 | SRI | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Jayaweera, C L | | | 1700 | SRI | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | 6th Mercantile and Government Service International Rating Chess Championship 2017 | Colombo, Sri Lanka | SRI | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1601 | 2.00 | 4 | 0.41 | 20 | 8.20 | |
| | Harischandra, N P | | | 1706 | SRI | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Alahakoon, A M C | | | 1761 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Amarosa, A A | | | 1337 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hettiarachchi, A U | | | 1930 | SRI | 0.00 | 1 | -0.12 | 20 | -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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