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Individual Calculations November 2022 |
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| Wijekoon, Chandana Total change: 26.60 | |   |
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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 |
| 1558 | 1796 | 6.00 | 8 | 0.11 | 20 | 2.20 | |
|  Nagahawatta, Sachin Devinda | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sanuda, Rehan | | | 1345 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Hettiarachchi, D W K | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Laksiri, A A Kavishka Gimshan | | | 1475 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Liyanage, Pesandu Rashmitha | | | 1824 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Kaluarachchi, Achinthya Shamen | | | 1916 | SRI | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Pinnagoda, P G Anuhas Suradunu | | | 1312 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | De Silva, Osheen | | | 1800 | SRI | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1562 | 1796 | 7.00 | 8 | 1.22 | 20 | 24.40 | |
| | Suvethican, V | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathnayake, R M M P B | | | 1116 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Akuratiya, A G Javindi Avarjana | | | 1375 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Newansa, M Esandi | | | 1474 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Dharmakeerthi, G K Pasindu Nims | | | 1672 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Madushanka, Harsha | | | 1680 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Alahakoon, Isuru | f | | 1986 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | De Silva, Osheen | | | 1800 | SRI | 1.00 | 1 | 0.51 | 20 | 10.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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