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Individual Calculations November 2011 |
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| Alahakoon, Amcb Total change: 63.90 | |   |
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| Sri Lanka National B Championship | Colombo | SRI | 2011-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1860 | 4.00 | 8 | 0.82 | 15 | 12.30 | |
|  Perera, Wcc | | | 2092 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Dikwella, Dm | | | 1681 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Mallawarachchi, Thiwanka | | | 1948 | SRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Gunaratne, Mojitha Sathsara | | | 1547 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Alahakoon, Isuru | | | 1924 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Koggala, Wsvk | | | 2024 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Weerawardena, Romesh | | | 2160 | SRI | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Anuruddha, Gc | | | 2139 | SRI | 0.50 | 1 | 0.34 | 15 | 5.10 | |
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 Championship 2011 | Colombo | SRI | 2011-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1884 | 7.50 | 13 | 3.44 | 15 | 51.60 | |
| | Kalugampitiya, Rs | | | 2135 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Wijekoon, Chandana | | | 1993 | SRI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Jayasundara, Pkum | | | 1979 | SRI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Kurukulasuriya, Prasanna | | | 2084 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Bhagya, Viman | | | 2038 | SRI | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Senanayake, Pd | | | 1834 | SRI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Lamawansa, Yasas | | | 1903 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | | | De Silva, Gihan | | | 1988 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Weerawardana, R | | | 2165 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Perera, Wcc | | | 2110 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Koggala, Wsvk | | | 2027 | SRI | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Dissanayake, Rs | | | 1994 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Anuruddha, Gc | | | 2140 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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