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Individual Calculations November 2022 |
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| Sivathanujan, S Total change: -17.60 | |   |
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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 |
| 1390 | 1747 | 6.00 | 8 | -1.01 | 20 | -20.20 | |
|  Desurra, G P Damsilu | | | 1260 | SRI | 0.50 | 1 | -0.46 | 20 | -9.20 | |  Nawanjana, R A Thaweesha | | | 1347 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hettiarachchi, Jeewantha Aloka | | | 1272 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Sethiya , A Vinuga | | | 1462 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Jayasundara, J M Daham V | | | 1350 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayaka, M A P Mihiranga | | | 1404 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Sathsindu, W M Minura | | | 1370 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Chandula, E D S | | | 1654 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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 |
| 1509 | 1747 | 6.00 | 8 | 0.13 | 20 | 2.60 | |
| | Perera, Thisara Randinu | | | 1347 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pinsara, Medhavi | | | 1271 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Balendran, Misothan | | | 1349 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sandaruwan, M G Ravindu | | | 1440 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Hettiarachchi, D W K | | | 1396 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Alahakoon, Isuru | f | | 1986 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Hettiarachchi, Jeewantha Aloka | | | 1272 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2007 | SRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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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