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Individual Calculations February 2023 |
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| Fernando, W K B Thumula Theekshan Total change: 137.20 | |   |
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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 |
| 1447 | 1213 | 2.50 | 5 | 1.46 | 40 | 58.40 | |
|  Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Maithripala, W D P N | | | 1424 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Manuranga, D Lahiru | | | 1503 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Kulathilake, S M M P | | | 1461 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1213 | 3.50 | 7 | 1.97 | 40 | 78.80 | |
| | Wettasinha, Vasanta | | | 1533 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Askey, Roshell Nathasha | | | 1519 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Gnanaseelan, Jude Dorison | | | 1445 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Lakshitha, H H Sasindu | | | 1624 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Liyanage, Deneth Dulanwin | | | 1004 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Abhimanyu, Iraja | | | 1465 | 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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