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Individual Calculations February 2018 |
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| Gamage, Mesanda Total change: 5.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1112 | 1222 | 5.00 | 7 | 0.50 | 40 | 20.00 | |
|  Liyanage, Sethika Linath | | | 1005 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | |  Hewage, Dinupa Adithya | | | 1025 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Damjith, J K | | | 1017 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Illankoon, I M W P | | | 1109 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Ahangama, Senuka Aswin | | | 1039 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Indusara, M G Janitha | | | 1433 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Dissanayaka, Anupama | | | 1156 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1266 | 0.50 | 2 | -0.37 | 40 | -14.80 | |
| | Chandrasekara, C M L R B | | | 1423 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Gajanthiran, G | | | 1209 | SRI | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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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