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Individual Calculations April 2009 |
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| Wijesuriya, G.luxman Total change: -16.35 | |   |
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| The Inaugural Royal Challenge International Chess Championship 2009 | Colombo | SRI | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 2065 | 2.50 | 4 | -0.45 | 15 | -6.75 | |
|  Amarasena, Kaveesha | | | 1915 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | |  Egodage, T.s. | | | 1826 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Pinto, Semuthu | | | 1845 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Hapuarachchi, H.l.m. | | | 1937 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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 Inter Club Super League 08 | Colombo | SRI | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2065 | 2.00 | 5 | -0.64 | 15 | -9.60 | |
| | Russel, M.k.a. | | | 2209 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Kottahachchi, Ol | | | 2034 | SRI | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Thirimawithana, Raveen | | | 1854 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Athukorala, A | | | 2141 | SRI | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Alahakoon, Isuru | | | 1977 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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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