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Individual Calculations May 2012 |
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| Kurukulasuriya, Prasanna Total change: -46.20 | |   |
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| Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 2078 | 7.00 | 10 | 0.57 | 15 | 8.55 | |
|  Ediriweera, Shakthi | | | 1850 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Gunasinghe, Wats | | | 1920 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Saranga, Nco | | | 1954 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Mendis, Wg Chinthaka | | | 1935 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Dissanayake, Rs | | | 1978 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Anuruddha, ,gc | | | 2098 | SRI | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Kulasekara, Kashapa D M T | | | 1866 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Jayasundara, Pkum | | | 2012 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Perera, Ln | | | 1949 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kalugampitiya, Rs | | | 2126 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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 Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2078 | 5.00 | 13 | -2.77 | 15 | -41.55 | |
| | Wimalasuriya, Kasun M | | | 1678 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Madumadha, M Chaithika Samith | | | 1893 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Perera, W C C | | | 2126 | SRI | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Weeramantry, Sunil | f | | 2177 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Kalugampitiya, R S | | | 2126 | SRI | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Wijekoon, Chandana | | | 1997 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Edirisinghe, Dulan | | | 2036 | SRI | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Koggala, W S V K | | | 2020 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Jayasundara, P K U M | | | 2012 | SRI | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Saranga, N C O | | | 1954 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Alahakoon, Isuru | | | 1957 | SRI | 0.00 | 1 | -0.66 | 15 | -9.90 | | | * 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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 2078 | 4.50 | 7 | -0.88 | 15 | -13.20 | |
| | Wijerathne, Theshan Thathsara | | | 1678 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Maheshika, D M P | | | 1791 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Priyankara, Chamil | | | 1892 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Madusanka, J D S P | | | 1686 | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | De Moraes, Shamine | | | 1859 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Gunasinghe, W A T S | | | 1920 | SRI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.47 | 15 | -7.05 | | | * 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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