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Individual Calculations January 2020 |
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| Dassanayake, Tharusha Samadhi Total change: 84.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1373 | 4.50 | 7 | 0.64 | 40 | 25.60 | |
|  Dissanayake, E M T N | | | 1070 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | |  Lewke Bandara, Induwara | | | 1118 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Ransilu, K A Rahal | | | 1072 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Lakshitha, H H Sasindu | | | 1707 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Keerthirathne, Adeepa | | | 1075 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Uduwala, Pramod Dimuthu | | | 1620 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Abeysinghe, H M H Janandani | | | 1630 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | |
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) | | | | Sri Lanka Women's National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1373 | 7.50 | 9 | 1.46 | 40 | 58.40 | |
| | Chanika, Dushani | | | 1107 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Piyathilaka, Oshadhi Ruwanya | | | 1103 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Sandanayake, Nimansa Sasanduni | | | 1217 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Kathriarachchi, Dini Nathyaa | | | 1228 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Ranasinghe, Shalini | | | 1583 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Attanayake, Chanindi Mewna | | | 1206 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Jayasinghe, Thenugi Dilanya | | | 1256 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Weerawardana, Oneli Vihanga | | | 1148 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ramanayake, Nemindi Linaya | | | 1303 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | |
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