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Individual Calculations July 2009 |
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| Subash, Lasitha Total change: -20.75 | |   |
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| Galle Major Chess Championship 2009 | Galle | SRI | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1880 | 3.00 | 5 | 0.57 | 25 | 14.25 | |
|  Gunasinghe, S.r. | | | 1940 | SRI | 0.50 | 1 | 0.08 | 25 | 2.00 | |  Gunasinghe, W.a.t.s. | | | 1891 | SRI | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Amarasena, Kaveesha | | | 1908 | SRI | 0.50 | 1 | 0.04 | 25 | 1.00 | | | De Moraes, Shamin | | | 1951 | SRI | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Jayaratne, M.n.g. | | | 1756 | SRI | 0.50 | 1 | -0.17 | 25 | -4.25 | |
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 |
| 1902 | 1880 | 0.50 | 4 | -1.40 | 25 | -35.00 | |
| | Edirisinghe, Dulan | | | 2128 | SRI | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Weerawardena, R. | | | 2180 | SRI | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Lamawansa, Yasas | | | 1721 | SRI | 0.00 | 1 | -0.71 | 25 | -17.75 | | | Seneviratne, Shehan | | | 1580 | SRI | 0.50 | 1 | -0.35 | 25 | -8.75 | |
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) | | |
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