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Individual Calculations January 2019 |
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| Omanthage, D S Total change: -23.20 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1081 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Lakmal, M A C | | | 1481 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1081 | 0.00 | 3 | -0.50 | 40 | -20.00 | |
| | Dassanayake, Tharusha Samadhi | | | 1328 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Dharmarathna, T N | | | 1357 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Gunathilake, M D Wonara S | | | 1396 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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