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Individual Calculations February 2023 |
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| Premathilaka, W P P G Sampath Total change: 11.80 | |   |
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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1083 | 1.00 | 3 | 0.59 | 20 | 11.80 | |
|  Liyanage, Savinu Suhaswin | | | 1324 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Wickramaarachchi, Nayanaka Insara | | | 1440 | SRI | 1.00 | 1 | 0.89 | 20 | 17.80 | |
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) | | |
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