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Individual Calculations February 2023 |
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| Wijesinghe, W A M C Total change: 19.60 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1176 | 1.00 | 4 | 0.26 | 40 | 10.40 | |
|  Rathnayaka, Minaga Yethmin | | | 1420 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Abeysinghe, H M H Janandani | | | 1490 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Maithripala, W D P N | | | 1424 | 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1176 | 1.00 | 3 | 0.19 | 40 | 7.60 | |
| | Sandeepani, M Tharushi | | | 1628 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Chandula, E D S | | | 1708 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Amarathunga, H G Gayuni Hansali | | | 1012 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | |
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 |
| 1476 | 1176 | 0.50 | 3 | 0.04 | 40 | 1.60 | |
| | Kodikara, K K M Sachintha | | wf | 1545 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Abhimanyu, Iraja | | | 1465 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Perera, H A Lisanda Vinsith | | | 1419 | 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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