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Individual Calculations November 2022 |
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| Sethiya , A Vinuga Total change: 10.00 | |   |
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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 |
| 1448 | 1462 | 4.00 | 7 | 0.25 | 40 | 10.00 | |
|  Perera, H A Lisanda Vinsith | | | 1197 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Kulathilake, S M M P | | | 1310 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Sivathanujan, S | | | 1747 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Amarasinghe, A A C B | c | | 1868 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ovitigala, Chenitha Mithvidu | | | 1399 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Basnayake, B M Thesandu Aken | | | 1392 | SRI | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Perera, G Thinuka Geethula | | | 1220 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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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