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Individual Calculations November 2022 |
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| Perera, G Thinuka Geethula Total change: -46.40 | |   |
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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 |
| 1472 | 1220 | 2.00 | 6 | 0.46 | 40 | 18.40 | |
|  Gunaratne, Mojitha Sathsara | c | | 1857 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Hettiarachchi, D W K | | | 1396 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Sumanathilake, Yonal | | | 1392 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Janukshan, B | | | 1693 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Perera, Thisara Randinu | | | 1032 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Sethiya , A Vinuga | | | 1462 | 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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1229 | 1220 | 0.50 | 4 | -1.62 | 40 | -64.80 | |
| | Dharmakeerthi, G K Pasindu Nims | | | 1672 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Wijesinghe, W A M C | | | 1087 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Palliyage, Sethumlee Devhara | | | 1106 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Thilakaratna, B A Thevindu Kenula | | | 1052 | SRI | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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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