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Individual Calculations August 2023 |
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| Nawanjana, R A Thaweesha Total change: 33.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1201 | 2.00 | 5 | 0.83 | 40 | 33.20 | |
|  Liyanage, Pesandu Rashmitha | | | 1893 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Kirimetiyawa, R A H M Sujeewa | | | 1032 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Hendavitharana, D S | | | 1460 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Weerakoon, D D P | | | 1649 | SRI | 1.00 | 1 | 0.94 | 40 | 37.60 | | | Thennakoon, Disara | | | 1441 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | |
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