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Individual Calculations July 2009 |
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| Gunasinghe, W.a.t.s. Total change: -53.00 | |   |
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| Galle Major Chess Championship 2009 | Galle | SRI | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1891 | 1.50 | 6 | -1.54 | 25 | -38.50 | |
|  De Moraes, Shamin | | | 1951 | SRI | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Jayaratne, M.n.g. | | | 1756 | SRI | 0.50 | 1 | -0.18 | 25 | -4.50 | |  Subash, Lasitha | | | 1880 | SRI | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Nisansala, P.k.t. | | | 1844 | SRI | 0.00 | 1 | -0.57 | 25 | -14.25 | | | Gunasinghe, S.r. | | | 1940 | SRI | 0.50 | 1 | 0.07 | 25 | 1.75 | | | De Moraes, Shamin | | | 1951 | SRI | 0.50 | 1 | 0.08 | 25 | 2.00 | |
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) | | | | Sri Lanka B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1891 | 3.00 | 8 | -0.58 | 25 | -14.50 | |
| | Weerawardena, R. | | | 2180 | SRI | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Seneviratne, Shehan | | | 1580 | SRI | 1.00 | 1 | 0.14 | 25 | 3.50 | | | Kuruwitage, Yasas Kalana | | | 1961 | SRI | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Fonseka, C.k.d. | | | 1999 | SRI | 1.00 | 1 | 0.65 | 25 | 16.25 | | | De Moraes, Shamin | | | 1951 | SRI | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Hapuarachchi, H.l.m. | | | 1963 | SRI | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Amarasena, Kaveesha | | | 1908 | SRI | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Pinto, Semuthu | | | 1887 | SRI | 0.50 | 1 | -0.01 | 25 | -0.25 | |
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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