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Individual Calculations July 2010 |
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| Samaranayake, K P R N Total change: 47.00 | |   |
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| Sri Lanka Major Division Kurunegala Chess Championship 2010 | Kurunegala | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1669 | 2.00 | 3 | 1.37 | 25 | 34.25 | |
|  Liyanage, N P | | | 1928 | SRI | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Amarasinghe, A A C B | | | 1943 | SRI | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Pinto, Semuthu | | | 1833 | SRI | 1.00 | 1 | 0.72 | 25 | 18.00 | |
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 National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1669 | 2.00 | 7 | 0.51 | 25 | 12.75 | |
| | Wijekoon, Chandana | | | 1961 | SRI | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Kavikeshawa, P B | | | 1889 | SRI | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Perera, W C C | | | 1942 | SRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Aktar, M R | | | 1801 | SRI | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Kalugampitiya, R S | | | 2069 * | SRI | 1.00 | 1 | 0.92 | 25 | 23.00 | | | Rathnasekara, Abimanyu | | | 1836 | SRI | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Liyanapathirana, Pasan Vindula | | | 1841 | SRI | 0.00 | 1 | -0.27 | 25 | -6.75 | | | * 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) | | |
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