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Individual Calculations February 2023 |
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| Kalhan, S Vojitha Total change: 22.80 | |   |
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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 |
| 1326 | 1089 | 2.00 | 6 | 0.76 | 40 | 30.40 | |
|  Thennakoon, Disara | | | 1384 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Chandrasiri, P K | | | 1374 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Mudalige, S M I Umandi | | | 1300 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Dissanayake, D M Madushan Sameera | | | 1278 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Dilshara, T G Sachindu | | | 1275 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Wilvalaarachchi, Oneli Omaya | | | 1343 | 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1089 | 0.00 | 1 | -0.19 | 40 | -7.60 | |
| | Wilvalaarachchi, Oneli Omaya | | | 1343 | 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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