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Individual Calculations April 2009 |
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| Sachintha, D.m.navindu 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 |
| 1801 | 0 | 2.00 | 5 | 0.00 | 1729 | | 0.00 | |
|  Selvaratnam, Navodya | | | 1722 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ranasinghe, S.d. | | | 1783 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Perera, W.c.c. | | | 1929 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | De Silva, Osheen | | | 2016 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Seneviratne, Shehan | | | 1555 | 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 |
| 1841 | 0 | 1.50 | 5 | 0.00 | 1692 | | 0.00 | |
| | Premanath, Dinushki | | | 1703 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Perera, L.n. | | | 2008 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Pinto, Semuthu | | | 1845 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Selvaratnam, Navodya | | | 1722 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Perera, W.c.c. | | | 1929 | 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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