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Individual Calculations July 2009 |
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| Lamawansa, Yasas Total change: 52.25 | |   |
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| Kandy Major Chess Championship 2009 | Kandy | SRI | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1721 | 1.00 | 2 | 0.55 | 25 | 13.75 | |
|  Hapuarachchi, H.l.m | | | 1963 | SRI | 0.50 | 1 | 0.30 | 25 | 7.50 | |  Perera, W.c.c | | | 1917 | SRI | 0.50 | 1 | 0.25 | 25 | 6.25 | |
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 |
| 1920 | 1721 | 3.50 | 8 | 1.54 | 25 | 38.50 | |
| | Perera, L.n | | | 1987 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Liyanage, N.p. | | | 1938 | SRI | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Munasinghe, Lahiru | | | 1920 | SRI | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Subash, Lasitha | | | 1880 | SRI | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Fernando, J.m.m.p. | | | 1934 | SRI | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Hapuarachchi, H.l.m. | | | 1963 | SRI | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Pinto, Semuthu | | | 1887 | SRI | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Wickramanayake, T.u. | | | 1853 | SRI | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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