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Individual Calculations January 2019 |
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| Randil, Lakshitha Total change: 44.80 | |   |
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| Sri Lanka Inter Club Chess Championship 2018 - Super League | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1935 | 5.00 | 7 | 1.59 | 20 | 31.80 | |
|  Subasinghe, K R V R | | | 2051 | SRI | 0.50 | 1 | 0.16 | 20 | 3.20 | |  Priyankara, Chamil | | | 2004 | SRI | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Rathnayake, M A A H | | | 1880 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Patil, Pratik | | | 2178 | IND | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Chandrasiri, S A | | | 1733 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Wijekoon, Chandana | c | | 1951 | SRI | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Jayaweera, C L | | | 1823 | SRI | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1935 | 8.00 | 9 | 0.65 | 20 | 13.00 | |
| | Weerathungalage, W D Malisha Sasv | | | 1535 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Welangalle, Pesala Dulkith | | | 1535 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Saravanabaavan, Brijeash | | | 1535 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Liyanage, Pesandu Rashmitha | | | 1535 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cooray, T C M Dulein Kavindu | | | 1535 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathnayake, M A A H | | | 1880 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Amarasinghe, A A C B | | | 1922 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Pallie, Tuan Ehshan | | | 1723 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kodithuwakku, Himsara | | | 1601 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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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