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Individual Calculations June 2023 |
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| Kodithuwakku, K A Chathura Basuru Total change: 78.00 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1238 | 3.00 | 6 | 1.08 | 40 | 43.20 | |
|  Liyanapathirana, Pasan Vindula | | | 1896 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Sooriyaarachchi, B K S S | | | 1043 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Yaparathne, B K B | | | 1546 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Peiris, T S S | f | | 1882 | SRI | 0.50 | 1 | 0.49 | 40 | 19.60 | | | Arachchi, B A M | | | 1075 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Mathes Arachchi, Bhanila M | | | 1396 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1168 | 1.50 | 5 | 0.87 | 40 | 34.80 | |
| | Kaluarachchi, Achinthya Shamen | | | 1844 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Basnayake, B M Thesandu Aken | | | 1442 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Kulathilake, S M M P | | | 1456 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Tharushi, T H D Niklesha | | wc | 1531 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Rathnayaka, Minaga Yethmin | | | 1415 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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