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Individual Calculations November 2022 |
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| Pathmasiri, R D Isuru Saranga Total change: -8.80 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1397 | 1306 | 0.00 | 2 | -0.83 | 20 | -16.60 | |
|  Chandula, E D S | | | 1654 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Sandaruwan, K E Dineth | | | 1139 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1306 | 4.00 | 7 | 0.39 | 20 | 7.80 | |
| | Alahakoon, Isuru | f | | 1986 | SRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Premaratne, Sandira Senula | | | 1018 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Thimanjana, Balage Kisandu | | | 1122 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Sanudula, K M Dahamdi | | wc | 1534 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Madurawala, M G D S Shanuka | | | 1079 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Wijesinghe, W A M C | | | 1087 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Sathmina, S L Lalindu | | | 1507 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | |
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