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Individual Calculations February 2023 |
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| Dissanayake, D M Madushan Sameera Total change: -29.80 | |   |
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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 |
| 1174 | 1278 | 2.50 | 5 | -0.69 | 20 | -13.80 | |
|  Amarathunga, H G K G | | | 1085 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Jayasuriya, Charinu Sithsara Mith | | | 1110 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Abeysinghe, H M H Janandani | | | 1490 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Kalhan, S Vojitha | | | 1089 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Dissanayake, D A Thavinsa Archani | | | 1096 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1039 | 1278 | 0.00 | 1 | -0.80 | 20 | -16.00 | |
| | Yumeth, K L A Venuka | | | 1039 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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