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Individual Calculations February 2018 |
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| Jayamanna, J M T S Total change: 50.40 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1335 | 3.00 | 6 | 1.26 | 40 | 50.40 | |
|  Pallie, Tuan Ehshan | | | 1668 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Gunawardena, I M P T | | | 1582 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Sandeepa, W A Geeshan | | | 1546 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Madushanka, B W M Malith | | | 1516 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Vidyarathna, Anjitha | | | 1518 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Vimukthi, P B K Ramditha | | | 1199 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | |
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