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Individual Calculations August 2023 |
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| Jayaweera, Y Total change: -13.60 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1743 | 6.00 | 8 | -0.68 | 20 | -13.60 | |
|  Samarasinghe, Amiru Visal | | | 1343 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Minsara, S D Sadev | | | 1329 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Kulathilake, S M M P | | | 1463 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Sandaruwan, M G Ravindu | | | 1425 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Alahakoon, Isuru | f | | 1760 | SRI | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Lakshitha, H H Sasindu | | | 1459 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gunarathne, Senila Amaneth | c | | 1331 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Sathmina, S L Lalindu | | | 1418 | SRI | 0.50 | 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) | | |
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