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Individual Calculations August 2018 |
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| Lamahewa, C Total change: 8.40 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1834 | 6.00 | 8 | 0.42 | 20 | 8.40 | |
|  Fonseka, Waranakulasuriya Chan Ch | | | 1434 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lakmal, M A C | | | 1524 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Yatawala, Manushka | | | 1574 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Silva, Kevin Ranidu | c | | 1791 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Kumara, C M S Praneeth | | | 1805 | SRI | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Lasitha, Subash | c | | 1753 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Dabarera, G W D M | | | 1700 | SRI | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Jayaweera, Y | | | 1767 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | * 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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