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Individual Calculations February 2023 |
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| Jayawickrama, U W R K Total change: -1.60 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1168 | 0.00 | 4 | -1.11 | 20 | -22.20 | |
|  Sahasra, A P Sasindu | | | 1535 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Abhimanyu, Iraja | | | 1465 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Welikala, D Thevin Dewnim | | | 1018 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1168 | 1.50 | 3 | 1.03 | 20 | 20.60 | |
| | Weerasena, O V D K R | | | 1486 | SRI | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Gunaweera, Geenuka Kavinu | | | 1464 | SRI | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | |
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) | | |
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