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Individual Calculations August 2017 |
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| Alahakoon, Isuru Total change: 19.60 | |   |
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| Sri Lanka National B Chess Championship 2017 | Narahenpita | SRI | 2017-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 2047 | 7.00 | 10 | 0.98 | 20 | 19.60 | |
|  Jayaweera, Y | | | 1695 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Herath, H M A K | | | 1798 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Prabajith, Asela | | | 1843 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Peiris, T S S | f | | 1947 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 2051 | SRI | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Jayasundara, P K U M | c | | 2009 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Dassanayake, D M G S | | | 2015 | SRI | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Thilakarathne, G M H | c | | 2231 | SRI | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Priyankara, Chamil | | | 2034 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Kurukulasuriya, Prasanna | f | | 2005 | SRI | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | |
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