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Individual Calculations February 2023 |
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| Wickramarathne, D Jehan Randil Total change: 36.40 | |   |
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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 |
| 1301 | 1133 | 2.50 | 4 | 1.32 | 40 | 52.80 | |
|  Herath, H M J R | | | 1278 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | |  Rathnayake, R M M P B | | | 1129 | SRI | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Yapabandara, G G P D | | | 1355 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1133 | 0.00 | 2 | -0.41 | 40 | -16.40 | |
| | Priyanath, W D Tharaka | | | 1489 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Ekanayake, N N B | | | 1280 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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