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Individual Calculations November 2022 |
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| Nanayakkara, N W P K W Total change: 6.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1026 | 0.00 | 2 | -0.03 | 20 | -0.60 | |
|  Palipana, Kethaka | | | 1646 | SRI | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Nirmalarajah, S | | | 1586 | SRI | 0.00 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1026 | 0.50 | 2 | 0.36 | 20 | 7.20 | |
| | Samarasinghe, Wayuni Vinara | | | 1422 | SRI | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Laksiri, A A Kavishka Gimshan | | | 1475 | SRI | 0.00 | 1 | -0.06 | 20 | -1.20 | |
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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