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Individual Calculations May 2010 |
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| Kodithuwakku, Gihan Total change: 10.25 | |   |
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| Sri Lanka Open Chess Championship | Kandy | SRI | 2010-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1596 | 1.00 | 4 | 0.61 | 25 | 15.25 | |
|  Tandukar, Naveen | | | 1996 * | NEP | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Mallawarachchi, T S | | | 1996 * | SRI | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Amarasena, Kaveesha | | | 1921 | SRI | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Koggala, W S V K | | | 1969 | SRI | 1.00 | 1 | 0.90 | 25 | 22.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Major Division Colombo Chess Championship 2010 | Colombo | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1596 | 0.00 | 1 | -0.20 | 25 | -5.00 | |
| | Liyanapathirana, Pasan Vindula | | | 1841 | SRI | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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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