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Individual Calculations August 2023 |
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| Chamathka, W A Chethani Total change: 15.80 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1326 | 3.00 | 6 | 0.79 | 20 | 15.80 | |
|  Samaranayake, Pamok Methdinu | | | 1735 | SRI | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Kannangara, Ranul Insitha | | | 1153 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Insara, S D Nadev | | | 1537 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Perera, Nethuka Mihisara | | | 1022 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Perera, G Thinuka Geethula | | | 1575 | SRI | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Pathum, G Saranga | | | 1655 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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