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Individual Calculations September 2018 |
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| Weerasinghe, W Yasiru Total change: 24.40 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1008 | 1.50 | 5 | 0.61 | 40 | 24.40 | |
|  Beligaswaththa, B A M K D | | | 1368 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Chamathka, Weerasinghe A Chethan | | | 1378 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Punchihewa, Hasith Thevindu | | | 1179 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Hetti Arachchige, Thisumi S | | | 1319 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Padukka, P V Gayuru Hansana | | | 1173 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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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