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Individual Calculations November 2013 |
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| De Silva, Osheen Total change: -10.65 | |   |
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| Sri Lanka National Chess Championship 2013 | Colombo | SRI | 2013-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1834 | 4.00 | 13 | 0.47 | 15 | 7.05 | |
|  Anuruddha, G C | c | | 2173 | SRI | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Kurukulasuriya, Prasanna | f | | 2064 | SRI | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Perera, L Niranga | | | 1930 | SRI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Randil, Lakshitha | | | 1958 | SRI | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Edirisinghe, Dulan | | | 2022 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Alahakoon, Isuru | | | 2054 | SRI | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Peiris, T S S | f | | 2068 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Gunasinghe, W A T S | | | 1897 | SRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Weerawardane, Romesh | m | | 2137 | SRI | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Priyankara, Chamil | | | 1960 | SRI | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Kavinda, Akhila | | | 2017 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Kulasekara, Kashapa D M T | | | 1905 | SRI | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Wijekoon, Chandana | | | 2012 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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 Inter Club Super League 2013 | Colombo | SRI | 2013-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1831 | 1.50 | 6 | -1.18 | 15 | -17.70 | |
| | Amarasena, Kaveesha | | | 1911 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Alahakoon, T N | | | 1798 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Siriwardena, R I Pasan Bhanuka | | | 1689 | SRI | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Lasitha, Subash | | | 1844 | SRI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Kalugampitiya, R S | | | 2138 | SRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Amarakoon, Naditha | | | 1883 | SRI | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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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