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Individual Calculations May 2012 |
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| Perera, W C C Total change: -8.85 | |   |
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| Sri Lanka National Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2126 | 8.00 | 13 | -0.59 | 15 | -8.85 | |
|  Saranga, N C O | | | 1954 | SRI | 0.50 | 1 | -0.23 | 15 | -3.45 | |  Alahakoon, Isuru | | | 1957 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Wimalasuriya, Kasun M | | | 1726 * | SRI | 0.00 | 1 | -0.92 | 15 | -13.80 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Madumadha, M Chaithika Samith | | | 1893 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Weeramantry, Sunil | f | | 2177 | SRI | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Kalugampitiya, R S | | | 2126 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Edirisinghe, Dulan | | | 2036 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Koggala, W S V K | | | 2020 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Jayasundara, P K U M | | | 2012 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | * 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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