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Individual Calculations February 2019 |
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| Bandara, T M Miul Prabhashwara Total change: 9.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1199 | 4.50 | 7 | 1.19 | 40 | 47.60 | |
|  Thewanjith, M D Movindu | | | 1011 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Kithmal, P M Kalindhu | | | 1508 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Gamlath, G M M W | | | 1063 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Samarasinghe, Amiru Visal | | | 1032 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Bandaranayake, H B M N | | | 1104 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Liyanage, Pesandu Rashmitha | | | 1438 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Akasha, J P Vihanga | | | 1435 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1199 | 0.00 | 3 | -0.96 | 40 | -38.40 | |
| | Jayawardana, Chenuka Nethvidu | | | 1518 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Abhimanyu, Iraja | | | 1471 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Gunawardena, Anuth Methvin | | | 1079 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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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