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Individual Calculations April 2009 |
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| Tennakoon, L Total change: -22.05 | |   |
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| Sri Lanka Inter Club Super League 08 | Colombo | SRI | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1990 | 1.50 | 3 | 0.00 | 15 | 0.00 | |
|  Kalugampitiya, R.s. | | | 2115 | SRI | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Fernando, Jmmp | | | 1966 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Perera, Dulan | | | 1885 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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 | K | K*chg | Game |
| 1907 | 1990 | 0.00 | 2 | -1.15 | 15 | -17.25 | |
| | Anududdha, Chinthaka | | | 2173 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Seneviratne, Shehan | | | 1640 | SRI | 0.00 | 1 | -0.89 | 15 | -13.35 | |
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 | K | K*chg | Game |
| 2127 | 1990 | 0.00 | 1 | -0.32 | 15 | -4.80 | |
| | Weerawardena, Romesh | | | 2127 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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