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Individual Calculations January 2019 |
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| Marasinghe, Kasunka Total change: 2.00 | |   |
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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 |
| 1363 | 1174 | 1.00 | 3 | 0.14 | 40 | 5.60 | |
|  Rupasinghe, Sarath | | | 1574 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Rupathunga, H M S P | | | 1151 | SRI | 0.50 | 1 | -0.03 | 40 | -1.20 | |  Devnaka, Chamin | | | 1364 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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 |
| 1156 | 1174 | 1.50 | 3 | -0.09 | 40 | -3.60 | |
| | Dissanayake, Sithila C | | | 1415 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Uyanwaththa, W M S B | | | 1042 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Lewkebandara, Induwara | | | 1012 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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