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Individual Calculations July 2010 |
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| Prabajith, Asela Total change: 59.65 | |   |
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| Sri Lanka Major Division Galle Chess Championship 2010 | Galle | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1820 | 4.00 | 5 | 2.21 | 25 | 55.25 | |
|  Bhagya, Viman | | | 1992 | SRI | 1.00 | 1 | 0.73 | 25 | 18.25 | |  Amarasena, Kaveesha | | | 1921 | SRI | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Egodage, Keshan | | | 1792 | SRI | 1.00 | 1 | 0.46 | 25 | 11.50 | | | Kanchana, Gihan | | | 1998 | SRI | 1.00 | 1 | 0.73 | 25 | 18.25 | | | De Silva, Osheen | | | 1930 | SRI | 0.50 | 1 | 0.15 | 25 | 3.75 | |
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 B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1820 | 4.00 | 9 | 0.29 | 25 | 7.25 | |
| | Amarakoon, Naditha | | | 2024 | SRI | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Kalugampitiya, R S | | | 2157 | SRI | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Farshan, H M | | | 1763 | SRI | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Bhagya, Viman | | | 1992 | SRI | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Perera, W C C | | | 1942 | SRI | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Harishman, S | | | 1716 | SRI | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Perera, L N | | | 1982 | SRI | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Senanayake, P R | | wf | 1899 | SRI | 0.50 | 1 | 0.11 | 25 | 2.75 | | | Kuruppu, Supun Dasantha | | | 1525 | SRI | 1.00 | 1 | 0.15 | 25 | 3.75 | |
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) | | | NOTE: K factor changed | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1806 | 1.00 | 3 | -0.19 | 15 | -2.85 | |
| | Bhagya, Viman | | | 1995 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Muhandiram, R M M U | | | 1566 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Anuruddha, G C | | | 2120 | SRI | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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