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Individual Calculations February 2018 |
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| Amarasinghe, Kavithma Gayuni Total change: 23.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1193 | 2.50 | 5 | 0.73 | 40 | 29.20 | |
|  Tharushi, T H D Niklesha | | wc | 1557 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Wickramarachchi, Hasini Chamaths | | | 1045 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Idirisinghe, I M N H | | | 1417 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Gunarathne, A M J | | | 1078 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Goyumi, Sasika M W | | | 1581 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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 |
| 1366 | 1195 | 0.50 | 2 | -0.14 | 40 | -5.60 | |
| | Gamage, Ovin Vidmal | | | 1568 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | De Silva, T Hansi Kavisha | | | 1163 | SRI | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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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