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Individual Calculations July 2009 |
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| Madugalle, Y.d.b. Total change: 4.95 | |   |
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| Sri Lanka Junior National Chess Championship 2009 | Colombo | SRI | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 2050 | 4.00 | 5 | 0.33 | 15 | 4.95 | |
|  Seneviratne, Shehan | | | 1700 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Perera, W.c.c. | | | 1917 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Ranasinghe, C.n. | | | 1860 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Peiris, T.s.s. | | | 1938 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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