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Individual Calculations September 2017 |
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| Alahakoon, Isuru Total change: 26.20 | |   |
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| Asian Club Cup Champions League 2017 | Hikkaduwa | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2059 | 2.50 | 4 | 1.26 | 20 | 25.20 | |
|  Zhang, Fuhan | | | 2005 | CHN | 1.00 | 1 | 0.42 | 20 | 8.40 | |  Jones, Lee | f | | 2061 | AUS | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Mosadeghpour, Masoud | m | | 2459 * | IRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rahman, Ziaur | g | | 2459 * | BAN | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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) | | | | Sri Lanka National Chess Championship 2017 | Colombo | SRI | 2017-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2059 | 7.50 | 13 | 0.05 | 20 | 1.00 | |
| | Jayasundara, P K U M | c | | 2024 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Doluweera, Minul Sanjula | f | | 2108 | SRI | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Kandearachchi, Niranga | | | 1992 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Thiyasara, K T Thisen | | | 1857 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Peiris, T S S | f | | 1972 | SRI | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Kurukulasuriya, Prasanna | f | | 2022 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Samaranayake, K P R N | | | 1880 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Dassanayake, D M G S | | | 1967 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Piyumantha, M Sasith Nipun | f | | 1908 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2060 | SRI | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Thilakarathne, G M H | c | | 2143 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Weerawardane, Romesh | m | | 2134 | SRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Amarasinghe, A A C B | | | 1982 | SRI | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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