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Individual Calculations July 2010 |
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| Fonseka, C K D Total change: -27.45 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 2000 | 4.50 | 9 | -0.77 | 15 | -11.55 | |
|  Thilakawardana, Supeshala | | wf | 1787 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Pieris, T D R | | | 2083 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | |  Amarasena, Kaveesha | | | 1921 | SRI | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Kavikeshawa, P B | | | 1889 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Randil, Lakshitha | | | 1893 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Perera, W C C | | | 1942 | SRI | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Premachandra, G T D | | | 1907 | SRI | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Hirimburegama, Yasith | | | 1884 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Athukorala, P M A B | | | 2127 | SRI | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1986 | 1.50 | 3 | -1.06 | 15 | -15.90 | |
| | Kumarasinghe, N H U Ranmudu | | | 1586 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Perera, A K N A | | | 1625 | SRI | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Aktar, M R | | | 1804 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | * 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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