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Individual Calculations July 2009 |
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| Pinto, Semuthu Total change: -35.70 | |   |
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| Kurunegala Major Chess Championship | Kurunegala | SRI | 2009-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1887 | 0.00 | 3 | -1.35 | 15 | -20.25 | |
|  Chandrarathne, W.s.n | | | 1933 | SRI | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Liyanage, N.p | | | 1938 | SRI | 0.00 | 1 | -0.43 | 15 | -6.45 | |  Amarasinghe, A.a.c.b.j.b | | | 1901 | SRI | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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 |
| 1939 | 1887 | 2.00 | 7 | -1.03 | 15 | -15.45 | |
| | Peiris, T.g.m. | | | 2129 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Chandrarathne, W.s.n. | | | 1933 | SRI | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Miraj, D.a. | | | 2024 | SRI | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Lamawansa, Yasas | | | 1721 | SRI | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Perera, W.c.c. | | | 1917 | SRI | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Kuruwitage, Yasas Kalana | | | 1961 | SRI | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Gunasinghe, W.a.t.s. | | | 1891 | SRI | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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