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Individual Calculations January 2018 |
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| Jayaweera, Y Total change: 44.00 | |   |
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| Sri Lanka Inter Club B Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1702 | 2.50 | 4 | 0.98 | 20 | 19.60 | |
|  Mendis, W G Chinthaka | | | 1896 | SRI | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Pathum, G Saranga | | | 1659 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Gamage, Chathulanka | | | 1807 | SRI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Hettiarachchi, C U | | | 1812 | SRI | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1555 | 1702 | 6.50 | 8 | 1.22 | 20 | 24.40 | |
| | De Fonseka, Lakni Novenya | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, Kamesh Janaja | | | 1302 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Akash, P A Oditha | | | 1448 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Priyankara, Chamil | | | 2009 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Sathmina, S L Lalindu | | | 1358 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | De Silva, L M S T | f | | 1611 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Wijekoon, Chandana | c | | 1919 | SRI | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Pavalachandran, Ashvini | | | 1488 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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