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Individual Calculations July 2009 |
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| Liyanage, N.p Total change: -10.25 | |   |
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| Kurunegala Major Chess Championship | Kurunegala | SRI | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1938 | 2.50 | 3 | 0.87 | 25 | 21.75 | |
|  Chandrarathne, W.s.n | | | 1933 | SRI | 1.00 | 1 | 0.49 | 25 | 12.25 | |  Pinto, Semuthu | | | 1887 | SRI | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Amarasinghe, A.a.c.b.j.b | | | 1901 | SRI | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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 |
| 1723 | 1938 | 1.00 | 3 | -1.28 | 25 | -32.00 | |
| | Lamawansa, Yasas | | | 1721 | SRI | 0.00 | 1 | -0.78 | 25 | -19.50 | | | Seneviratne, Shehan | | | 1588 | SRI | 0.50 | 1 | -0.39 | 25 | -9.75 | | | Ranasinghe, C.n. | | | 1860 | SRI | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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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