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Individual Calculations April 2018 |
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| Alahakoon, Isuru Total change: 24.60 | |   |
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| Sri Lanka National B Chess Championship 2018 | Colombo | SRI | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2072 | 7.50 | 10 | 1.23 | 20 | 24.60 | |
|  De Silva, L M S T | f | | 1672 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Alahakoon, T N | | | 1748 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kumara, C M S Praneeth | | | 1859 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Aluvihare, Shakila | | | 1672 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Piyumantha, M Sasith Nipun | f | | 2159 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Kurukulasuriya, Prasanna | f | | 2036 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Koggala, W S Vidura K | | | 2016 | SRI | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Thilakarathne, G M H | c | | 2246 | SRI | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Peiris, T G M | | | 2117 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Priyankara, Chamil | | | 2019 | SRI | 0.50 | 1 | -0.07 | 20 | -1.40 | | | * 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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