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Individual Calculations February 2023 |
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| Rajapakshe, R A K K Total change: 33.60 | |   |
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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 |
| 1492 | 1134 | 0.50 | 3 | 0.14 | 40 | 5.60 | |
|  Gunawardhana, Devindya Oshini | | | 1574 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | |  Wilvalaarachchi, Oneli Omaya | | | 1343 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.50 | 1 | 0.43 | 40 | 17.20 | |
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 |
| 1375 | 1134 | 1.50 | 4 | 0.70 | 40 | 28.00 | |
| | Wickramasinghe, M G D Chathura | | | 1370 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Tishor, S | | | 1404 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Gamage, A G R Ruwanmith | | | 1348 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Pinnagoda, P G Anuhas Suradunu | | | 1378 | SRI | 0.50 | 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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