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Individual Calculations January 2020 |
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| Weerasinghe, C C Total change: -35.60 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1824 | 6.00 | 9 | -1.44 | 20 | -28.80 | |
|  Kularathna, Pulindu | | | 1424 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hettiarachchi, D W K | | | 1424 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Herath, H M S S A | | | 1427 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Srilal, D A D T | | | 1424 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, L M S T | f | | 1968 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Koggala, W S T D | | | 1488 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lasitha, Subash | c | | 1643 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Udumullage, Senuja Dilmith | | | 1424 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kithmal, P M Kalindhu | | | 1436 | SRI | 0.00 | 1 | -0.91 | 20 | -18.20 | | | * 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) | | | | Sri Lanka Inter Club Super League Chess Championship 2019 | Colombo | SRI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1824 | 1.00 | 3 | -0.34 | 20 | -6.80 | |
| | Wimalasuriya, Kasun M. | c | | 1837 | SRI | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Athavan, R K | | | 1872 | SRI | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Herath, Nishendra | | | 1871 | SRI | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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