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Individual Calculations February 2023 |
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| Welikala, D Thevin Dewnim Total change: 117.20 | |   |
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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 |
| 1273 | 1018 | 3.00 | 7 | 1.53 | 40 | 61.20 | |
|  Jayalath, Thusitha Kumara | | | 1520 | SRI | 1.00 | 1 | 0.96 | 40 | 38.40 | |  Rathnayake, R M M P B | | | 1129 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Sumanathilake, Yonal | | | 1407 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Prematunge, H R Homindu Dulaj | | | 1229 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gunasekara, K P K Hesara | | | 1237 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Jayawickrama, U W R K | | | 1168 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Fernando, H Gayaru Dulsara | | | 1222 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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 |
| 1317 | 1018 | 2.00 | 4 | 1.40 | 40 | 56.00 | |
| | Bimansa, D G Jayandi | | | 1333 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Mendis, Chandeepa | | | 1297 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Fernando, H Methushi Amaya | | | 1329 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Akuratiya, A G Javindi Avarjana | | | 1308 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |
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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