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Individual Calculations July 2009 |
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| Jayasooriya, Dinushka Total change: 0.00 | |   |
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| Sri Lanka Junior National Chess Championship 2009 | Colombo | SRI | 2009-04-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1961 | 0 | 2.00 | 4 | 0.00 | 1961 | | 0.00 | |
|  Kavinda, Akila | | | 2025 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Kuruwitage, Yasas Kalana | | | 1961 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | De Silva, Rasheen | | | 1955 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Colombo Major Chess Championship 2009 | Colombo | SRI | 2009-04-24 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1838 | 0 | 0.50 | 2 | 0.00 | 1645 | | 0.00 | |
| | Jayawardena, Mihiranga | | | 1920 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Harishman, S. | | | 1756 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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) | | |
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