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Individual Calculations September 2019 |
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| Wiratunga, Ishan Total change: 6.00 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1708 | 5.00 | 7 | 0.30 | 20 | 6.00 | |
|  Silva, M K Theshan Pasandul | | | 1308 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayaweera, Hashan | | | 1373 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Kavinda, Akila | | | 2024 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Jayaweera Gamage, Disindu Hansad | | | 1308 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Methmani, Nelunika | | wm | 1543 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Wijekoon, Chandana | c | | 1910 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Brahman, Tharmasanthiran | | | 1355 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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