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Individual Calculations August 2015 |
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| Piyumantha, M Sasith Nipun Total change: 20.80 | |   |
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| Sri Lanka National Chess Championship 2015 | Colombo | SRI | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1928 | 5.00 | 13 | 0.11 | 40 | 4.40 | |
|  De Silva, Elath Mathanga | | | 1985 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | |  Alahakoon, Isuru | | | 2054 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Subasinghe, K R V R | | | 1874 | SRI | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Priyankara, Chamil | | | 2019 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Herath, H M A K | | | 2014 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Peiris, T S S | f | | 2022 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Edirisinghe, Dulan | | | 2051 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Thilakarathne, G M H | c | | 1972 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Weerawardane, Romesh | m | | 2110 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Doluweera, Minul Sanjula | c | | 2042 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Kurukulasuriya, Prasanna | f | | 2084 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Naotunna, Dineth Nimnaka | | | 1930 | SRI | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2099 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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 |
| 1890 | 1928 | 2.50 | 4 | 0.41 | 40 | 16.40 | |
| | Borigas, Edrien Gappi | | | 1528 * | HKG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Naotunna, Dineth Nimnaka | | | 1930 | SRI | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Arjun, K | | | 2035 | IND | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Hj, Azahari Md Aliuddin | f | | 2065 | BRU | 0.50 | 1 | 0.18 | 40 | 7.20 | | | * 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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