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Individual Calculations July 2009 |
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| Wickramanayake, T.u Total change: -33.75 | |   |
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| Kandy Major Chess Championship 2009 | Kandy | SRI | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1853 | 0.00 | 1 | -0.49 | 25 | -12.25 | |
|  Ranasinghe, C.n | | | 1860 | SRI | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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 B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1853 | 1.00 | 5 | -0.86 | 25 | -21.50 | |
| | Kurukulasuriya, Prasanna | | | 2085 | SRI | 0.00 | 1 | -0.21 | 25 | -5.25 | |  Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Lamawansa, Yasas | | | 1721 | SRI | 1.00 | 1 | 0.32 | 25 | 8.00 | | | Weerawardena, R. | | | 2180 | SRI | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Munasinghe, Lahiru | | | 1920 | SRI | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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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