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Individual Calculations August 2015 |
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| Peiris, T S S Total change: -31.40 | |   |
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| Sri Lanka National Chess Championship 2015 | Colombo | SRI | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2022 | 5.50 | 13 | -1.16 | 20 | -23.20 | |
|  Thilakarathne, G M H | c | | 1972 | SRI | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Weerawardane, Romesh | m | | 2110 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Doluweera, Minul Sanjula | c | | 2042 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Kurukulasuriya, Prasanna | f | | 2084 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Naotunna, Dineth Nimnaka | | | 1930 | SRI | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Piyumantha, M Sasith Nipun | f | | 1928 | SRI | 0.50 | 1 | -0.13 | 20 | -2.60 | | | De Silva, Elath Mathanga | | | 1985 | SRI | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Alahakoon, Isuru | | | 2054 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Subasinghe, K R V R | | | 1874 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Priyankara, Chamil | | | 2019 | SRI | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Herath, H M A K | | | 2014 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 2099 | SRI | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Edirisinghe, Dulan | | | 2051 | SRI | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | Asian Cities Championship 2015 | Waskaduwa | SRI | 2015-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2022 | 2.00 | 6 | -0.41 | 20 | -8.20 | |
| | Stany, G.a. | m | | 2380 | IND | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Min, Po-Yen | | | 1686 | TPE | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Edirisinghe, Dulan | | | 2051 | SRI | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Mirzaad, S.wahabuddin | | | 2067 | AFG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Isaev, Chingys | | | 2172 | KGZ | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Xu, Zhihang | | | 2234 | CHN | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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) | | |
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