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Individual Calculations April 2009 |
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| Koswaththa, K.w.d.m.d.i. Total change: 0.00 | |   |
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| 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1761 | 0 | 0.00 | 3 | 0.00 | 1061 | | 0.00 | |
|  Amarasinghe, A.a.c.b. | | | 1925 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Jayaweera, Y. | | | 1696 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Basnayake, I.u. | | | 1663 | 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) | | | | Sri Lanka Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1910 | 0 | 1.00 | 3 | 0.00 | 1785 | | 0.00 | |
| | Tennakoon, I.l.k. | | | 1990 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Rajapaksha, Ashanthi | | | 1816 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Amarasinghe, Buddhika | | | 1925 | SRI | 1.00 | 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) | | |
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