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Individual Calculations August 2015 |
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| De Silva, Elath Mathanga Total change: -54.80 | |   |
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| Sri Lanka National Chess Championship 2015 | Colombo | SRI | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1985 | 4.00 | 13 | -1.95 | 20 | -39.00 | |
|  Piyumantha, M Sasith Nipun | f | | 1928 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Galappaththi, Chinthaka Anuruddh | f | | 2099 | SRI | 1.00 | 1 | 0.66 | 20 | 13.20 | |  Alahakoon, Isuru | | | 2054 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Subasinghe, K R V R | | | 1874 | SRI | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Priyankara, Chamil | | | 2019 | SRI | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Herath, H M A K | | | 2014 | SRI | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Peiris, T S S | f | | 2022 | SRI | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Edirisinghe, Dulan | | | 2051 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Thilakarathne, G M H | c | | 1972 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Weerawardane, Romesh | m | | 2110 | SRI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Doluweera, Minul Sanjula | c | | 2042 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Kurukulasuriya, Prasanna | f | | 2084 | SRI | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Naotunna, Dineth Nimnaka | | | 1930 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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) | | | | Inter University Chess Championship 2015 - Men | Colombo | SRI | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1985 | 2.50 | 4 | -0.79 | 20 | -15.80 | |
| | Padmasiri, R S | | | 1763 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Munasinghe, Minura | | | 1700 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Mehalathan, Sivakumar | | | 1648 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | De Silva, Rasheen | | | 1759 | SRI | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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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