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Individual Calculations April 2009 |
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| Akthar, M.r. 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 |
| 1929 | 0 | 0.50 | 3 | 0.00 | 1656 | | 0.00 | |
|  Kumara, Sisira | | | 1827 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Alahakoon, Isuru | | | 1977 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Miraj, D.a. | | | 1984 | 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 |
| 1980 | 0 | 0.50 | 4 | 0.00 | 1658 | | 0.00 | |
| | Kurukulasuriya, Prasanna | | | 2092 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Fernando, J.m.m.p. | | | 1966 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Miraj, D.a. | | | 1984 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Samarakone, U.l. | | | 1876 | 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) | | | | Sri Lanka Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2127 | 0 | 0.00 | 3 | 0.00 | 1427 | | 0.00 | |
| | Kalugampitiya, Rajeendra | | | 2115 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Rajapakshe, R.m.c.m. | | | 2176 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Mallawarachchi, T.s. | | | 2091 | 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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