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Individual Calculations April 2009 |
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| Elwitigala, Dinuka Dilshan Total change: 0.00 | |   |
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| The Inaugural Royal Challenge International Chess Championship 2009 | Colombo | SRI | 2009-01-10 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1925 | 0 | 0.00 | 1 | 0.00 | 1225 | | 0.00 | |
|  Amarasinghe, A.a.c.b.j.b. | | | 1925 | 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) | | | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1906 | 0 | 0.50 | 5 | 0.00 | 1540 | | 0.00 | |
| | Perera, W.c.c. | | | 1929 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Rajapaksha, A. | | | 1816 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Munasinghe, Lahiru | | | 1860 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Hapuarachchi, H.l.m. | | | 1937 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Tennakoon, I.l.k. | | | 1990 | 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 |
| 1749 | 0 | 0.00 | 1 | 0.00 | 1049 | | 0.00 | |
| | Lamawansa, Yashmi | | | 1749 | 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) | | |
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