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Individual Calculations March 2012 |
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| Viththiyarani, S Total change: -83.70 | |   |
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| Jaffna Chess Association Rating Tournament Open B | Jaffna | SRI | 2011-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1879 | 7.50 | 9 | -0.13 | 30 | -3.90 | |
|  Kumara, Sisira | | | 1771 | SRI | 0.50 | 1 | -0.15 | 30 | -4.50 | |  Umaiyalini, Thevathasan | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Viththiyatharan, S | | | 1700 | SRI | 0.50 | 1 | -0.23 | 30 | -6.90 | | | Gowthami, Mahalingam | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Lavaniya, Logeswaran | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Theepna, Govintharajah | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Kumarawadu, C S | | | 1700 | SRI | 0.50 | 1 | -0.23 | 30 | -6.90 | | | Vethika, Sriuthayamohan | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Praveena, Parthiban | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | * 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) | | | | 5th Colombo International Chess Championships 2012 | Colombo | SRI | 2012-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1536 | 1879 | 3.50 | 7 | -2.66 | 30 | -79.80 | |
| | Wickramasinghe, Banuka Nimsith | | | 1499 | SRI | 0.50 | 1 | -0.41 | 30 | -12.30 | | | Paul, J S | | | 1619 | SRI | 0.50 | 1 | -0.32 | 30 | -9.60 | | | Ratnayake, Nadeesh Sahan | | | 1484 | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Perera, Piruna Kamala | | | 1594 | SRI | 0.00 | 1 | -0.84 | 30 | -25.20 | | | Kottahachchi, A S | | | 1479 * | SRI | 0.50 | 1 | -0.42 | 30 | -12.60 | | | Sathma, Devni | | | 1479 * | SRI | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Thilakarathne, G M S | | | 1601 | SRI | 0.00 | 1 | -0.83 | 30 | -24.90 | | | * 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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