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Individual Calculations February 2023 |
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| Thilakarathne, Nisal Dilushana Total change: -18.80 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1175 | 1.00 | 5 | -0.23 | 40 | -9.20 | |
|  Kalubowila, K H N | | | 1609 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Abhimanyu, Iraja | | | 1465 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayasundara, J M Daham V | | | 1463 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Wickramaarachchi, Yesandi | | | 1033 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1175 | 0.00 | 2 | -0.24 | 40 | -9.60 | |
| | Peiris, H Pevinya | | wf | 1653 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Wickramasinghe, V W A Vinuda Vidm | | | 1422 | 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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