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Individual Calculations July 2010 |
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| Akthar, M.r Total change: 43.50 | |   |
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| Sri Lanka Major Division Kandy Chess Championship 2010 | Kandy | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1801 | 1.50 | 2 | 0.64 | 15 | 9.60 | |
|  Kodagoda, C.s | | | 1726 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | |  Perera, L.n | | | 1982 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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 National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1801 | 5.00 | 9 | 1.29 | 15 | 19.35 | |
| | Peiris, T S S | | | 2003 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Perera, L N | | | 1982 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kuruppu, Supun Dasantha | | | 1525 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Samaranayake, K P R N | | | 1669 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Kuruwitage, Yasas Kalana | | | 1912 | SRI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Amarakoon, Naditha | | | 2024 | SRI | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Munasinghe, Lahiru | | | 1949 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Dissanayake, R S | | | 2030 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Harishman, S | | | 1716 | SRI | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1804 | 2.50 | 5 | 0.97 | 15 | 14.55 | |
| | Weerasekara, Kasun | | | 1816 | SRI | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Peiris, T S S | | | 2003 | SRI | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Fonseka, C K D | | | 1986 | SRI | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Amarasinghe, A A C B | | | 1934 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Mallawarachchi, T S | | | 2019 | SRI | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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